Suppose you dissolve 1 gram of solid glucose crystals in 1 kg of water to make a solution. Which calculation would be best to describe the concentration of glucose?
Answers
Answer:
"mass/mass percent" calculation to express the concentration of glucose.
Explanation:
Concentration of the solution is generally a ratio between the amount of solute and the amount of solvent (or solution). In this case, the amount of solute is measured in grams, and the amount of solvent (water) is measured in kilograms. Both units are units of mass. It would be most likely to use by mass/mass percent.
Answer: The calculation that would make the most sense to use in this scenario is mass/mass percent.
Explanation: For anyone who's taking the quiz
Related Questions
The skeletal muscle complex known as the triad consists of
Answers
Answer:
A triad is composed of a T-tubule and two adjacent terminal cisternae of the sarcoplasmic reticulum.
Explanation:
Explain what a haploid cell is as if you were talking to an 8-10-year-old. (Please help, I'm working on a storybook about meiosis for children. Let's learn about how you came to be, children-os!)
Answers
Answer:
A haploid cell can be described as a type of cell which comprises of only a complete set of chromosome. Haploid cells are present in the gamete cells or sex cells. A sperm cell and an egg is haploid.
Diploid cells can be described as a type of cell which comprises of two sets of chromosomes. A zygote is diploid. All somatic cells of the body are diploid.
Answer:
chromosomes
Explanation:
Match the definitions with their vocabulary terms. Not all terms will be used. a. ______process in which organisms with extreme expressions of a trait are removed.b. ______process in which shift of a population toward an extreme version of a beneficial trait.c. ______process in which individuals with average traits are removed, creating two populations with extreme traits
Answers
Answer:
1. Stabilizing selection
2. Directional selection
3. Disruptive selection
Explanation:
Natural selection is a process that is considered the mechanism of evolution. The natural selection selects the species in one of the three ways: directional, stabilizing and disruptive selection.
1. Stabilizing selection- occurs when nature favors the average phenotype of the species and the extreme phenotype of the traits is not favored.
2. Directional selection-takes place when one of the extreme traits of a population of a species favored the most and the allele frequency sifts to that direction.
3. Disruptive selection-occurs when both the extreme traits are favored by nature and the population evolves into two separate populations.
PLZZZZZZ HELPPPPPPP ASAPPPP!!! 4
Answers
Answer:
The answer to your question is below
Explanation:
Question 14.- T pairs A A pairs T G pairs C C pairs G
Original strand TAC TAA GCA
New strand ATG ATT CGT (Third choice)
Question 15.-
Correct choices
a. Guanine base pairs with cytosine
c. Nucleotides with adenine, guanine, cytosine, or thymine are the monomers.
f. Thymine base pairs with adenine
Florence Nightingale was a nursing pioneer who challenged prejudices against women and elevated the status of all nurses. Which statement accurately describes one of her accomplishments?
a.She established the fact that nursing is the same as medicine.
b.She promoted the addition of nursing education as part of a medical degree.
c.She established the tenets of the American Red Cross.
d.She promoted the publication of books about nursing and health care.
Answers
Explanation:
Florence Nightingale raised the status of nursing to a respected occupation, improved the nature of nursing care, and established present day nursing education. She advanced the production of books about nursing education and health care. Her conviction with respect to nursing was that it was independent and particular from the act of medication. She didn't belief that nursing training ought to be a piece of a clinical degree. Clara Barton built up the American Red Cross in 1882.Interestingly, even though hemophilia in the royal families began in England, they were actually the only one of these four families to NOT be affected by it. If Alice's daughter Alix had accepted a marriage proposal from George V, this may have changed history greatly. If we were to rewrite history, pairing Alix and George V together, what is the probability any of their offspring would have hemophilia?
Answers
Answer:
Alice's daughter Alix =X X* George V= XY Progeny are;XX, XY, X*X, X*Y 50 % males would be infected 50% male normal50% female normal, 50 female carrier.Explanation:
Hemophilia is an inherited disease and it follows an X-linked recessive pattern. The genes for hemophilia disease are located on the X chromosome. In males one mutated copy of the chromosome X is sufficient to cause the condition, because male contain only one gene. Female contain XX chromosome, so both the chromosome must have mutated for causing this disease.
According to study of Queen Victoria (1891-1901) of England, Alice's daughter Alix was X linked carrier and George V was normal male,
so if they got married, their children would be
parents genotype X X* XY
progeny
XX, XY, X*X, X*Y
50% males would be infected
50% male normal
50% female normal,
50 female carrier.
The correct probability that any of the offspring of Alix and George V would have hemophilia is [tex]$\frac{1}{2}$[/tex].
Hemophilia is an X-linked recessive disorder. This means that the gene for hemophilia is located on the X chromosome, and a male will have hemophilia if he inherits a single copy of the hemophilia allele (since males have only one X chromosome), while a female will have hemophilia only if she inherits two copies of the hemophilia allele (one from each parent).
Queen Victoria was a carrier of hemophilia, and she passed the gene to some of her descendants. If Alix, who was a carrier (as her mother Alice was a daughter of Queen Victoria), had married George V, their children's chances of inheriting hemophilia would depend on the sex of the child:
- Male offspring (XY) have a 50% chance of inheriting the hemophilia gene from their mother (since they inherit their single X chromosome from their mother). Therefore, male offspring have a 50% chance of having hemophilia.
- Female offspring (XX) have a 50% chance of inheriting the hemophilia gene from their mother. However, they would only have hemophilia if they also inherited a hemophilia gene from their father, which is not mentioned in the question. Assuming George V was not a carrier, the female offspring would not have hemophilia but would have a 50% chance of being carriers.
The enzyme phosphofructokinase catalyzes the conversion of fructose-6-phosphate and adenosine triphosphate (ATP) to fructose 1,6-bisphosphate and adenosine diphosphate (ADP). Adenosine monophosphate (AMP) activates the enzyme phosphofructokinase (PFK) by binding at a site distinct from the substrate-binding site. This is an example of:__________.
Answers
Answer: This is an example of allosteric regulation or modulation.
Explanation: Allostery is a process by which a ligand binds to a site on the enzyme that is different from the substrate binding site. This site is different from the active site and it is called allosteric site. Allostery can be positive or negative. If the binding of the ligand to the allosteric site of the enzyme activates the binding of the substrate to the active site of the enzyme, it is known as positive allostery but if the binding of a ligand to the allosteric site of the enzyme inhibits the binding of the substrate to the enzyme active site, it is known as negative allostery or allosteric inhibition. The binding of ADP to the allosteric site of phosphofructokinase (PKF) activates the enzyme, it is therefore a positive allostery.
Eukaryotes have their DNA arranged in numerous double-stranded, linear DNA molecules bound with proteins; these structures are called ___________
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Answer:
In eukaryotes, the genome comprises several double-stranded, linear DNA molecules bound with proteins to form complexes called chromosomes
Why is the archaea domain closer to eukarya than bacteria?
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Answer:
Archaea domain is closer to eukarya than bacteria because genetically they are more similar to Eukarya than Bacteria.
Explanation:
Options for this question are:
They both lack a nucleus and contain cytoplasm. The unique functional adaptations of Archaea are more similar to Eukarya adaptations. They both evolved in the same geological time period. Genetically, the Archaea are more similar to Eukarya than Bacteria. They both have membrane-bound organelles. Archaea is not closer to Eukarya because it contains prokaryotic cells just like Bacteria.Archaea are unicellular prokaryotic organisms, which share many characteristics with bacteria, however, the existence of metabolic functions and genes similar to eukaryotic organisms suggest that there is a genetic link between the two. Even the enzymes responsible for genetic processing, such as transcriptases and translation enzymes, are similar to those in eukaryotic cells.
The theory that establishes the relationship between Archaea and Eukaryotic suggests the existence of a common ancestor, whose later evolution allowed an Archaea to join a protobacteria to form a eukaryotic cell, and hence their genetic relationship.
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In a large population of randomly breeding foxes, a dominant allele results in a soft, brown pelt, while a recessive allele results in a rough, grey pelt. The dominant allele is found in 80% of the population while the recessive allele is found in 20%. There is no migration, drift, or selection in the population. When human beings enter this habitat, they selectively hunt foxes with brown pelts. After many generations of this activity, how will this population change? Please choose the correct answer from the following choices, and then select the submit answer button.
Answers
Answer:
The frequency of the recessive allele which codes for grey pelt character will rise above 20%, while the that of the dominant allele that confers brown pelt character will decrease below 80%.
Explanation:
Since the population of foxes with brown pelts are being selectively hunted by humans, the population of foxes with brown pelts will keep reducing while the population of foxes with grey pelt will thrive in its place.
Hence, the the frequency of the recessive allele which confers grey pelt attribute will rise above original 20% within the population, while the dominant allele will decrease below 80%.
A group of small fish live in a lake with a uniformly light-brown sandy bottom. Most of the fish are light brown, but about 10% are mottled. This fish species is often prey for large birds that live on the shore. A construction company dumps a load of gravel in the bottom of the lake, giving it a mottled appearance. Which of these statements presents the most accurate prediction of what will happen to this fish population? 1. The proportion of mottled fish will increase over time.2. In two generations, all the fish will be mottled.3. There is no way to predict the result.4. As the mottled fish are eaten, more will be produced to fill the gap.5. The ratios will not change.
Answers
1. The proportion of mottled fish will increase over time.
Explanation:
The mottled appearance of the bottom of the lake provided a survival benefit to the mottled skinned fishes. This is because a mottled background allows the mottled fishes to camouflage against it and escape predation . On the other hand light brown fishes will become more distinct and visible to the birds and will be hunted. So, soon the proportion of mottled fish in the lake will rise.
When an analyst discovers that a set of classes have a similar set of attributes and methods, it may make sense to _____ out the similarities into a separate class.
Answers
Answer:
Factor
Explanation:
Factoring out involves noting the similar attributes between the classes. It’s such information that helps in the formation of a new class according to the distinct similarities between them after several tests and observation may have been conducted.
A Drosophila fruit fly cell with 2N = 8 chromosomes—two of each kind—is called a cell. a. haploidb. diploidOne_____of each_____is located on each chromosome.a. gene, alleleb. gene, genec. allele, gened. allele, allele Drosophila fruit flies produce gametes with one of each kind of chromosome. These gametes are called______cells.a. diploidb. haploid These cells contain_____chromosomes.a. 4Nb. 2Nc. Nd. 1/2 N
Answers
Answer:
1. Diploid
2. Allele, gene
3. haploid
4. N
Explanation:
1. The ploidy of a cell represents the number of chromosomes present in the cell. Since the fruit fly has 2N = 8 where n represents the number of chromosomes but in pair, as 2N represents, therefore, is a diploid organism
2. The gene present on the chromosomes is present in the form of its alternative form called alleles which are present on each chromosome
3. The gamete is formed by the process of meiosis which reduces the ploidy to half thus diploid forms the haploid gamete.
4. The ploidy of gametes is represented as "N" as the gametes are formed by the meiosis.
There are two types of cells on the basis of the number of chromosomes.
These cells are as follows:-
DiploidHaploidHence, according to the question.
A Drosophila fruit fly cell with 2N = 8 chromosomes DIPLOID two of each is called a cell.
One ALLELE of each GENES is located on each chromosome.
Drosophila fruit flies produce gametes with one of each kind of chromosome. These gametes are called HAPLOID cells.
These cells contain HALF NUMBER OF chromosomes.
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nutrition student who is learning that a balanced diet involves consuming diverse foods that have a variety of vitamins in them every day. Why is it advisable to consume vitamins in the form of whole foods every day
Answers
Answer:
Answered below.
Explanation:
Vitamins are one of the food nutrients required for a balanced diet. This is because vitamins play a vital role in the functionality and the structural development of our body systems. Vitamins are sometimes referred to as micronutrients because they are needed in smaller amounts by the body.
Vitamins are classified into essential and non-essential vitamins. The non-essential vitamins are readily produced by the body and do not require taking them from external sources while the essential vitamins must be taken in as the body does not either produce them, or doesn't produce them to the amounts it actually need.
The essential vitamins include;
Vitamins A, D, E, K, C and the B vitamins which include vitamins B1, B2, B3, B5, B6, B7, B9 and B12.
These vitamins are further divided into fat-soluble (ADEK) and water-soluble(B vitamins and C)
It is advisable to take at least the recommended dietary allowance of these vitamins in our foods, everyday as they are not synthesized in the body to required amounts. These vitamins are needed for the many metabolic processes occurring in the body and a deficiency of them lead to various diseases examples being;
Scurvy from vitamin C deficiency.
Anemia from folate deficiency.
Night blindness from vitamin A deficiency.
Muscle weakness and fatigue from vitamin D deficiency and many more.
Inputs and outputs of the light reactions
From the following choices, identify those that are the inputs and outputs of the light reactions. (Recall that inputs to chemical reactions are modified over the course of the reaction as they are converted into products. In other words, if something is required for a reaction to occur, and it does not remain in its original form when the reaction is complete, it is an input.)
Drag each item to the appropriate bin. If the item is not an input to or an output from the light reactions, drag it to the "not input or output" bin.
Input: NADP+, ADP, water, light
Output: ATP, NADPH, O2
Not input or output: CO2, G3P, glucose
Answers
Answer:
Input: NADP+, ADP, water, light
Output: ATP, NADPH, O2
Not input or output: CO2, G3P, glucose
Explanation:
Photosynthetic process is a unique process undergone by autotrophs like plants in their Chloroplast. It involves two major stages viz: light stage and light-independent stage. The light stage is the stage that requires energy from sunlight in order to occur. It occurs when photons of light (input) from the sun strikes Chlorophyll pigments in the Chloroplast. This ignites the Chlorophyll molecule and makes it excited. The excited state of the chlorophyll molecule releases electrons that split water molecules (input) in a process called PHOTOLYSIS OF WATER, into hydrogen ions, electrons and oxygen.
The hydrogen ions is accepted by the NADP+ (input) molecule and reduces it to NADPH (output). Also, the electron generated creates a proton pump in the thylakoid membrane that powers the phosphorylation of ADP (input) into ATP (output). During the light reaction, specifically, PHOTOLYSIS OF WATER, oxygen gas (output) is given off.
Note that C02, G3P and glucose are neither inputs nor outputs of the light stage. They are rather involved in the next stage of the photosynthetic process, which is light-independent stage or Calvin Cycle.
NADP+, ADP, water, and light all serve as inputs to the light reactions. The light processes produce ATP, NADPH, and oxygen as byproducts. CO2, G3P, and glucose are not input or output in the light processes.
Thus, NADP+, ADP, water, and light are the ingredients for the light reactions. Water serves as an electron source, NADP+ serves as an electron acceptor, ADP is a necessary step in the production of ATP, and light powers the processes.
Chemical energy in the form of ATP, high-energy electron carrier NADPH, and oxygen, a consequence of water splitting, are all products of the light processes. The ensuing dark processes, such the Calvin cycle, which uses ATP and NADPH to turn carbon dioxide (CO2) into glucose, depend on these outputs.
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In which animals are the blood and the interstitial fluid considered to be the same body fluid?
Answers
Answer:
In insects such as cockroach, grasshopper
Explanation:
Insects such as grasshopper has open circulatory, in them the body fluid is the hemolymph. The hemolymph does contain any respiratory pigment. It bathes the organs directly as it is pumped between open spaces in the body.
Thus, in insects, the blood and the interstitial fluid considered to be the same body fluid?
Since animals have nerve and muscle tissue and plants do not, which of the following events in earth’s history would be associated with adaptive radiation of many groups of animals, and not particularly that of plants?
A. increase in atmospheric O2
B. great increase in land mass area
C. changes in global ocean temperatures
D. meteorite impacts and volcanic eruptions
E. earthquake activity causing increased barrier formation
Answers
Answer:
The correct option is A) increase in atmospheric O2
Explanation:
The nerve cells and the muscle cells suggest that the the presence of oxygen in the atmosphere was an adaptive radiation which brought the existence of different animals. The conditions became favorable for different animals to survive on Earth only when the availability of oxygen improved in the atmosphere. As animal cells like the muscle cells require a constant supply of oxygen, we can hence say that increase in atmospheric oxygen was the adaptive radiation for supporting many group of animals.
Which of the following is not true of pyrimidines?
A. example: thymine
B. have a single ring structure
C. example: cytosine
D. example: adenine
Answers
Final answer:
The statement that lists adenine as a pyrimidine is incorrect because adenine is actually a purine with a two-ring structure.
Explanation:
The question regarding pyrimidines aims to identify which statement is not true about them. Pyrimidines, which include thymine and cytosine, are characterized by having a single ring structure. This is opposed to purines like adenine and guanine, which consist of two carbon-nitrogen rings. Given this information, the statement that is not true of pyrimidines is the one that lists adenine as an example (option D), as adenine is actually a purine, not a pyrimidine.
"He was awakened in the middle of the night by a low growling that sounded as if it was coming from just outside his tent. In response, the cells of his adrenal medulla began to secrete epinephrine, causing his palms to sweat, his heart to race, and his hair to stand on end." Epinephrine is involved in what type of signaling as described in this passage
Answers
Answer: Adrenaline, also known as epinephrine, is a hormone and medication. Adrenaline is normally produced by both the adrenal glands and a small number of neurons in the medulla oblongata, where it acts as a neurotransmitter involved in regulating visceral functions (e.g., respiration).It plays an important role in the fight-or-flight response by increasing blood flow to muscles, output of the heart, pupil dilation response and blood sugar level. It does this by binding to alpha and beta receptors.[
Epinephrine is involved in endocrine type of signaling as described in this passage. Thus, the correct option is D.
What is Endocrine signaling?Endocrine cells produce hormones to communicate with the remote target cells which are found in other organs of the body. The hormone that reaches these distant areas using the circulatory system in the body. This exposes the whole organism to the hormone however, only those cells which are expressing hormone receptors or target cells are affected in an organism. Thus, the endocrine signaling induces slow responses from the target cells but these effects also last longer than usual.
Epinephrine or adrenaline is a hormone which is also known as fight-or-flight hormone. This hormone increases the energy during the emergency condition.
Therefore, the correct option is D.
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Your question is incomplete, most probably the complete question is:
He was awakened in the middle of the night by a low growling that sounded as if it was coming from just outside his tent. In response, the cells of his adrenal medulla began to secrete epinephrine, causing his palms to sweat, his heart to race, and his hair to stand on end." Epinephrine is involved in what type of signaling as described in this passage?
A. Autocrine
B. Paracrine
C. Juxtacrine
D. Endocrine
E. Contact Mediated
Suppose the government has imposed a price floor on the market for soybeans. Which of the following events could transform the price floor from one that is not binding into one that is binding?a. Farmers use improved, draught-resistant seeds, which lowers the cost of growing soybeans.b. The number of farmers selling soybeans decreases.c. Consumers' income increases, and soybeans are a normal good.d. The number of consumers buying soybeans increases.
Answers
Answer:
The correct answer is - option A.
Explanation:
Price floor is a minimum price determined by the government at which a particular item can be sold. It is legal to sell the item on the minimum price which is often imposed by the government when farmers or sellers of the item convince that market price is not fair without a price floor.
In this case the farmers are farmers use improved, drought resistant seeds, which lowers the cost of growing soybeans which can transform the price floor.
Thus, the correct answer is - option A.
In the context of a government-imposed price floor on soybeans, an increase in the number of consumers buying soybeans could potentially transform a non-binding price floor into a binding one. This is because the rise in demand could drive the equilibrium price above the current price floor, making the floor price binding.
Explanation:In the context of this question, a price floor is a minimum price set by the government at a level above the market equilibrium price. If the government sets a floor price on soybeans, it sets a price that it will not allow the price of soybeans to fall below, even if market conditions would require it to. If the floor price is set above the equilibrium price, it is known as a binding price floor.
The scenario that could transform the price floor from not binding to binding would be Option D: 'The number of consumers buying soybeans increases.' This event could push the market demand for soybeans up, pushing up the equilibrium price. If this new, higher equilibrium price exceeds the price floor, then the price floor becomes binding. The government would then need to buy the surplus soybeans that are not sold in order to keep the market price at the floor price.
Conversely, if farmers use better seeds (Option A) or the number of farmers decrease (Option B), this could increase supply, which would lower the equilibrium price and make a price floor less likely to bind. Similarly, if consumers' incomes increase and soybeans are a normal good (Option C), this could also increase demand, but depending on the elasticity of the demand for soybeans, it may not increase the price enough to make a price floor binding.
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During glycolysis, when glucose is catabolized to pyruvate, most of the energy of glucose is a. retained in the pyruvate. b. transferred directly to FADH2. c. transferred to ADP, forming ATP. d. stored in the ADP produced.
Answers
Answer:
a. retained in the pyruvate
Explanation:
Glycolysis is a cytoplasmic pathway that converts glucose into two pyruvate, releasing a modest amount of energy captured in two substrate-level phosphorylations and one oxidation reaction.
Following are the important enzymes in it :
HexokinasePhosphofructokinasePyruvate kinaseAerobic glycolysis yields 2ATP/glucose plus 2NADH/glucose but most of the energy is retained in pyruvate which is then converted into Acetyl-CoA and enters the kreb's cycle.
Most of the energy of glucose is : ( A ) retained in the pyruvate
Glycolysis is a process ( cytoplasmic pathway ) through which glucose is converted into 2 pyruvate molecules and a little amount of energy generated during this process is released into the two-substrate level phosphorylations and an oxidation reaction.
Most of the energy is retained in the pyruvate during aerobic glycolysis and 2ATP / glucose is produced as well.
Hence we can conclude that most of the energy of glucose is retained in the pyruvate.
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Imagine that you have discovered a new species that has the ability to consume other organisms for energy and also contains chloroplasts. What would these properties tell you about the organism
Answers
Answer:
This organism is both autotroph and heterotroph
Explanation:
The animals which have the ability to get energy by consuming the other organism are called heterotrophic organisms and the organism can make their own energy are called autotrophs.
So if an organism has the ability to consume another organism for energy and also have chloroplasts than that organism will be considered both autotroph and heterotroph because through chloroplast it can convert sunlight energy into chemical energy like plant do and by consuming other organisms it can also get food or energy.
The apoplast in plant tissues consists of:________. a. cell walls, extracellular spaces, and vessel elements b. cell walls, extracellular spaces, and plasmodesmata c. vessel elements, plasmodesmata, and extracellular spaces d. cell walls, plasma membrane, and cytosol
Answers
The apoplast in plant tissues consists of cell walls, extracellular spaces, and vessel elements
Explanation:
In plant cells, apoplasts refer to the extracellular space present outside the plasma membrane. These are formed by continuous cell walls arranged adjacent to each other.
The main function of apoplasts is transportation of water and other solutes between tissues and organs by free diffusion of molecules via the plasma membrane.
This pathway called the apoplastic pathway constituted by its vessel elements, cell walls, and extracellular space aids in passive absorption by roots
The apoplast in plant tissues consists of cell walls, extracellular spaces, and vessel elements, option a is correct.
The apoplast in plant tissues is composed of cell walls, extracellular spaces, and vessel elements, enabling the transport of substances like water and minerals. The apoplast allows for the transport of water and minerals through cell walls, the xylem, and the intercellular space between cells. Plasmodesmata, on the other hand, are channels that pass between cell walls of adjacent plant cells, connecting their cytoplasm and enabling the transport of materials from cell to cell within the symplast.
As a result of chronic stress associated with an intense high school weight-lifting program, a 15-year-old boy suffers an avulsion fracture of the greater tubercle of the humerus. In the ER, he displays difficulty initiating abduction of the upper limb. Which muscles was involved in this fracture?
Answers
Answer:
The correct answer is: supraspinatus.
Explanation:
Many muscles insert in the humerus - in its greater tubercle, where the fracture took place, is where three of the four rotator cuff muscles insert: supraspinatus, infraspinatus, and teres minor. Avulsion of the greater tubercle could result in detachment of any of these 3 muscles but if we take into account that the 15-year-old boy had difficulty initiating abduction of the upper limb, we can infer that the damaged muscle is the supraspinatus because its main action is to start the abduction the upper limb.
Foods contain ________, compounds that confer color, taste, and other characteristics of foods. Foods that have been around a long time, such as , vegetables, fruit, and meats, are _________ foods, while _________ are foods that may have been subjected to milling, texture alterations, or cooking. Rice, Potatoes, or corn are _________ that provide a foundations for a healthful diet.
Answers
Answer:
Phytochemical, Whole Foods, Processed foods, Staple foodsExplanation:
Phytochemical are compounds that confer color, taste, and other characteristics of foods, are produced by plants through primary or secondary metabolism.
Whole Foods :Foods that have been around a long time, such as , vegetables, fruit, and meats, are Whole Food foods.
Processed foods: are those food that has been cooked, canned, or changed in nutritional composition and other characteristics with preserving or preparing in lots of different ways.
Staple foods :that provide a foundations for a healthful diet.
example: Rice, Potatoes, or corn.
Foods contain vitamins, minerals, and fiber. Whole foods are natural and unprocessed, while processed foods have undergone alterations. Rice, potatoes, and corn are staple foods for a healthful diet.
Explanation:Foods contain vitamins, minerals, and fiber, which are compounds that confer color, taste, and other characteristics of foods. Foods that have been around a long time, such as vegetables, fruit, and meats, are whole foods, while processed foods are foods that may have been subjected to milling, texture alterations, or cooking. Rice, potatoes, or corn are staple foods that provide a foundation for a healthful diet.
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Assume a thylakoid is somehow punctured so that the interior of the thylakoid is no longer separated from the stroma. This damage will have the most direct effect on which of the following processes' Assume a thylakoid is somehow punctured so that the interior of the thylakoid is no longer separated from the stroma. This damage will have the most direct effect on which of the following processes?a) the splitting of waterb) the absorption of light energy by chlorophyllc) the flow of electrons from photosystem II to photosystem Id) the synthesis of ATP
Answers
Answer:
D) the synthesis of ATP
Explanation:
The chloroplast possesses the thylakoids and stroma in which the thylakoid is associated with the light reaction and ATP synthesis and the stroma is associated with the Calvin cycle.
The membrane of the thylakoid is involved in maintaining the membrane potential in which ATP synthase are embedded. The F1 unit of the ATP synthase or rotor rotates when the Hydrogen moves from the thylakoid membrane to the stroma.
If the membrane is punctured then it will disrupt the proton flow and process of ATP synthesis is disrupted.
Thus, Option-D is correct.
A client with chronic arterial occlusive disease undergoes percutaneous transluminal coronary angioplasty (PTCA) for mechanical dilation of the right femoral artery. After the procedure, the client will be prescribed long-term administration of which drug?A. Aspirin or acetaminophen (Tylenol).B. Pentoxifylline (Trental) or acetaminophen (Tylenol).C. Aspirin or clopidogrel (Plavix).D. Penicillin V or erythromycin (E-Mycin)
Answers
Explanation:
(C) Aspirin or clopidogrel (Plavix) is Right Answer.
Aspirin medicine or clopidogrel (plavix).method of reasoning after PTCA ,the client begins long term aspirin or clopidogrel treatment to forestall thromboembolism. Doctors request heparin for anti coagulation during this methodology. A few doctors release customers with a medicine for long haul warfarin (coumadin) or low-sub-atomic weight heparin treatment. Pentoxifylline, a vasodilator used to treat ceaseless blood vessel impediment, isnt required after PTCA on the grounds that the technique itself opens the vessel. The doctor may arrange transient acetaminophen treatment to oversee fever or distress, however drawn out treatment isnt justified. The client may require an anti-infection, for example, penicillin or erythromycin.Speciation occurs when populations of a species become so different over time that they can no longer interbreed. Which of the
following best describes the relationship between speciation and biodiversity?
A.
An increase in biodiversity generally results in a decrease in speciation rate.
B. Ecosystems with low biodiversity always have a low rate of speciation.
C.
Speciation results in an increase in overall biodiversity.
D.
Speciation can only occur in ecosystems with low biodiversity
Reset
Submit
Answers
Answer: C
Explanation:
speciation results iIn more species, therefore a greater biodiversity
Speciation results in an increase in overall biodiversity. The correct option is C.
What is speciation?The process by which populations develop into different species is known as speciation.
In contrast to anagenesis, which refers to phyletic evolution within lineages, cladogenesis, the separation of lineages, was first described by the scientist Orator F. Cook in 1906.
Rivers change their courses, mountains rise, continents drift, organisms migrate, and what was once a continuous population is split into two or more smaller populations.
According to scientists, who believe that geographic isolation is a common method for the process of speciation to start.
The most frequent type of speciation, allopatric speciation, takes place when populations of a species become geographically isolated. Gene flow between populations stops when they are divided.
The amount of biodiversity as a whole rises as a result of speciation.
Thus, the correct option is C.
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Jerry enters a hospital blood lab and notices a metal canister with the symbol above printed on all four sides. The symbol is MOST LIKELY a ______ caution sign.\
Answers
Answer:
caution sign seems the most reasonable.
Explanation:
Final answer:
The caution sign Jerry notices in the hospital blood lab indicates the presence of radioactive materials, used in nuclear medicine but requiring careful handling.
Explanation:
The symbol that Jerry notices most likely indicates the presence of radioactive materials, which are commonly used in the nuclear medicine department of hospitals. This symbol serves as a caution sign to alert individuals that specific safety precautions are necessary when around these substances. Radioactive materials hold importance in diagnosing and treating many diseases; however, they can be hazardous if not handled appropriately. Only those with special training should handle these materials, as they can be dangerous, but they should be respected rather than feared.
This symbol indicates the presence of radioactive materials that require special safety precautions for handling.
Your sister-in-law is amazed at her 9-year-old son. She can remember when her son was not able to sit and listen to a story for very long and now he is able to listen intently and remember the story in very good detail. What two advances occur during middle childhood in information processing abilities that assist with his newly developed abilities?
Answers
Answer: Attention and memory
Explanation:
Attention and memory are the two skills developed in the body which is led to the development of abilities.
As a child he had a good memory that is the reason he remember the whole story. This happened at the time when he was not able to sit.
When he grew up he started taking interest in the story and paid attention to the story again.
This is the reason the child remembers the story very well.