Explanation:
Match each description with correct process.
A) occurs only in cells containg chlorophyll : photosynthesis
B)Carried ob by cells : all metaboilc reactions
C) Produces energy : mitochondria
D)Produces carbhydrates (sugars): Dark reaction
E) CO2,H2O, and ATP are products : Respiration
F) Co2 and H2O are reactants : photosynthesis
G) Does not need light : respiration
H) Occurs in Mitochondria : chemical reactions that produces energy
) I) Occurs in heterotrophs : Parasitism
J) Breaks bonds between phosphate: an enzyme
5. Patrick met Patti at the dance. Both of them are heterozygous for their pink body color, which is
dominant over a yellow body color. Create a Punnett square to show the possibilities that would result it
Patrick and Patti had children. HINT: Read question #3!
List the possible genotypes his children could have AND next to each genotype,
describe what phenotype it would have.
B.
What is the genotypic ratio?
Answer: If P is pink body color trait and p is yellow body color trait, and P is dominant over p which is recessive, therefore heterozygous for pink body color is Pp.
The possible genotypes of their children are PP, Pp and pp. There are 1PP, 2Pp and 1pp genotypes.
Genotypes ==> Phenotype
PP = pink body color
Pp = pink body color
pp = yellow body color
Genotypic ratio= 1PP : 2Pp : 1pp, which is, one homozygous pink body color : two heterozygous pink body color and 1 homozygous yellow body color.
Explanation:
PP will manifest phenotypically as pink body color, Pp will manifest phenotypically as pink body color while pp will manifest as yellow body color. This is because pink body color trait (P) is dominant over yellow body color trait (p) which is recessive.
See the attached punnett square for illustration
what is the length and circumference of the opening of vigina
Answer:
69m and 52hshnshjnshshsn
Answer:
pleasure
Explanation:
;)
3. Why do fish vendors in the market spread salt onto cold frozen fish？
Answer:
Because salt dehydrates the fish and also freezes it and keeps it from thawing and rotting.
Explanation:
https://van.physics.illinois.edu/qa/listing.php?id=20576&t=freezing-fish-with-salt
why silkworm is called queen of fibre?
Answer:
Because it’s the most beautiful of all texile fibers
Select the correct answer from each drop-down menu.
.The
A gene on a chromosome lies close to another gene controlling a different trait. This indicates that the genes are
first gene contributes to the expression of the second gene. This indicates
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Answer:
A gene on a chromosome lies close to another gene controlling a different trait. This indicates that the genes are strongly linked . The first gene contributes to the expression of the second gene. This indicates polygenic inheritance.
Answer:
A gene on a chromosome lies close to another gene controlling a different trait. This indicates that the genes are strongly linked . The first gene contributes to the expression of the second gene. This indicates polygenic inheritance .
Explanation:
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what group is a fish found in?
Answer:
Species: buccinator
Genus: Cygnus
Family: Anatidae
Explanation:
An ice cube melts and becomes a liquid. What happened to the particles that made up the ice cube?
A.
The mass of the ice cube's particles decreased.
B.
The amount of potential energy in the ice cube's particles increased.
C.
The size of the ice cube's particles decreased.
D.
The amount of kinetic energy in the ice cube's particles increased.
Answer:
b
Explanation:
What is one condition that must be met for a population to be in genetic equilibrium
One condition that must be met for a population to be in genetic equilibrium is the absence of mutations. Other conditions include no migration, a very large population, random mating, and no natural selection as stated by the Hardy-Weinberg theorem.
Explanation:Conditions for Genetic EquilibriumFor a population to be in genetic equilibrium, certain conditions must be met. One of these conditions is no mutation, meaning there should be no change in the DNA sequence. Alongside this, other essential conditions include no migration (no individuals entering or leaving the population), a very large population size to minimize the impact of genetic drift, random mating among individuals without any selective pressures, and no natural selection, where all genotypes have equal probabilities of survival and reproduction.
The Hardy-Weinberg theorem suggests that maintaining these conditions will result in allele and genotype frequencies that do not change over time, indicating no evolutionary forces at play. However, it is recognized that these conditions are rarely, if ever, fully met in natural populations due to the influence of evolutionary processes such as drift, mutation, migration, and selection.
4. What can color, texture, and porosity tell us about the quality of the soil?
All the soils are made up of water, organic matter, air, and the mineral particles, but the combinations of all these elements determine the soil’s texture, colour, and porosity. This will help the people to identify the fertility soil.
Explanation:
Soil’s structure referred to the size of the particle which made the soil. Soil texture is very helpful to understand whether the soil is free from draining, how easy to grow plants and how much soil can hold water.Soil’s porosity means the pores which are present in the soil. Pores are very helpful for the movement of water and air through the soil. Healthy soil will have many pores in them.The colour of the soil can vary from black to red to white. The source of the soil colour is from iron and organic matter. The topsoil will be dark due to the presence of organic matter. The single colour indicates that the soil is very drained.Why is the average annual high temperature in Cape Hatteras, NC higher than the average annual high temperature in Monterey, CA?
a) A warm water surface current flows along the east coast of the United States and a cold water surface current flows along the west coast of the United States.
b) A cold water surface current flows along the east coast of the United States and a warm water surface current flows along the west coast of the United States.
c) A cold water deep current flows along the east coast of the United States and a warm water deep current flows along the west coast of the United States.
d) A warm water deep current flows along the east coast of the United States and a cold water deep current flows along the west coast of the United States.
The annual high temperature in Cape Hatteras, North Carolina, is higher than the annual high temperature in Monterey, California, because a warm water surface current flows along the east coast of the United States, which is in Option a.
What is the significance of the warm water?It has many implications, such as the fact that warm water plays a critical role in the ocean's circulation patterns, which have a significant impact on marine life, and that warm water leads to sea-level rise and has a significant impact on coastal communities.
Hence, the annual high temperature in Cape Hatteras, North Carolina, is higher than the annual high temperature in Monterey, California, because a warm water surface current flows along the east coast of the United States, which is in Option a.
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A human is a big organism containing ______________ of cells. Question 1 options: hundreds thousands millions trillions
Which element is found in both DNA and protein?
sulfur
sodium
nitrogen
chlorine
The element found in both DNA and protein is nitrogen.
Explanation:
All the living things especially 99% of the human body is made up of six elements, which are carbon, nitrogen, oxygen, calcium, phosphorus, and hydrogen. In DNA, we have a phosphate group which allowing the nucleotide to be linked. Sugar-phosphate is the backbone of the nucleic acid. The nitrogenous bases are creating a genetic alphabet by contributing letters. The nucleic acids are composed of oxygen, nitrogen, carbon, phosphorus, and hydrogen. The proteins are made up of different kinds of amino acids. In addition, they have hydrogen, carbon, sulfur, oxygen, selenium, and nitrogen.
Answer:
Nitrogen
Explanation:
As blood pressure increases and the hearts is working harder the most vulnerable arteries area? Located near the heart, because they are absorbing the most shock or located near your toes, because they are the farthest away from the heart.
As blood pressure increases and the hearts is working harder the most vulnerable arteries area are those Located near the heart, because they are absorbing the most shock.
Explanation:
When the heart pumps blood, the highest pressure is felt close to the heart. This is why the aorta, the artery that carries blood away from the heart is made up of thick walls to withstand this pressure, otherwise, these vessels would rupture. Away from the heart, this pressure lessens, and the blood vessels are not so thick-walled.
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What might happen to the ecosystem if toucans were removed
When toucans are removed from an ecosystem it leads to loss of hardwood trees, deforestation, and global warming.
Explanation:
Toucans are very attractive brightly colored large birds which are fruigivore (fruit-eaters). They are specially adapted with a large, sharp but lightweight bill which helps the toucans to reach to branches to pick fruits, berries, seeds mostly which are larger and difficult for the smaller birds to eat.
Their main habitat for the toucan is the rainforests. They are woodland birds and stay mostly on hardwood trees.
Toucans help the rainforest ecosystem to grow by dispersing the seeds of the fruits they eat all around the forest as they keep flying. This makes the species of trees from which toucans pick their fruits to increase and makes the rainforest healthy.
When toucans are removed, then dispersal of seeds becomes less and spreading of hardwood trees will be reduced slowly leading to deforestation and drying up of forest lands.
Bigger hardwood trees play a major role in reducing carbon footprint compared to the softwood smaller trees and this increase in carbon will lead to global warming.
bone marrow can be found in the many hollow spaces in the blank of this type of bone
Answer:
Bone marrow can be found in the many hollow spaces in the spongy type of bone.
Answer:
Your answer is spongy. Or Bone marrow can be found in the many hollow spaces in the spongy type of bone.
Explanation:
Take a look at the picture it is proof!
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How is energy gained through the process of photosynthesis
Answer:
Energy is gained when the light energy that gets taken in by the chloroplasts turns water and carbon dioxide into glucose, which the plants use as food, and oxygen gas, which is released.
during translation, the code for genetic information changes from-
A. proteins to amino acids
B. nucleic acids to amino acids
C. proteins to nucleic acids
D. amino acids to nucleic acids
Answer:
B. ) Nucleic acids to amino acids
Explanation:
Translation happens after DNA has already been copied into RNA and is now going to be translated from its form as RNA to a protein/ Amino Acid.
Name the steps of meiosis shown in the diagrams below.
Answer:
a. Anaphase 2
b. Metaphase 1
c. Telophase 1
d. Prophase 1
e. Telophase 2
Explanation:
Following is a summary of the events of meiosis:
Interphase:
Prepares the cell for division. Duplication of DNA, duplication of centrioles occurs and the cell grows in size. At this stage the cell is diploid (2n).
Prophase 1:
First stage of Meiosis 1.The centrioles move to the poles of the cell, the nuclear membrane disintegrates, homologous chromosomes pair up (in the form of tetrad), form a chiasmata and then exchange segments of chromosomes with each other. This process is called crossing over.
Metaphase 1:
Involves the arrangement of the crossed over, homologous chromosomes on the metaphase plate which is sort of like a web of spindle fibers that originates from the centrioles.
Anaphase 1:
The tetrads arranged on the metaphase plate are pulled apart by the spindle fibers. This is the result of tension that build up in the spindle fibers as they grow towards opposite poles.
Telophase 1:
The last stage of meiosis 1. Involves the arrival of the chromosomes at the poles, the nuclear membrane starts to form and the chromosomes start decondensing. Telophase 1 yields 2 daughter cells with half the number of chromosomes as that in the parent cell.
Meiosis 2:
Meiosis 2 is exactly similar to mitosis. The only difference is that the haploid cells entering meiosis 2 do not duplicate their DNA. Meiosis 2 just involves the separation of the sister chromatids of homologous chromosomes.
As mentioned above, interphase does not occur before meiosis 2.Prophase 2 involves the disintegration of nuclear envelope, centrosomes start moving to the poles.Metaphase 2 arranges the chromosomes on metaphase plate.Anaphase 2 separates the sister chromatids from the chromosomes.Telophase 2 develops the nuclear envelope and separates the nuclei of the daughter cells into 2. Nuclear division id followed by cytokinesis (division of cytoplasm). Telophase 2 result sin 4 haploid daughter cells with one chromatid from each chromosome.The steps of meiosis shown in the diagrams are: Prophase I, Metaphase I, Anaphase I, Telophase I, Cytokinesis I, Prophase II, Metaphase II, Anaphase II, Telophase II, Cytokinesis II.
Explanation:The steps of meiosis shown in the diagrams are:
Prophase I: During this phase, the chromosomes condense and pair up, a process called synapsis. Crossing over also occurs, where genetic material is exchanged between homologous pairs of chromosomes.Metaphase I: The paired homologous chromosomes align at the equator of the cell.Anaphase I: The homologous chromosomes separate and move towards opposite poles of the cell.Telophase I: The chromosomes decondense and nuclear membranes form around each set.Cytokinesis I: The cell cytoplasm divides, resulting in two haploid cells.Prophase II: This phase is similar to prophase in mitosis, where the chromosomes condense and spindle fibers form.Metaphase II: The chromosomes align at the equator of the cell.Anaphase II: The sister chromatids separate and move towards opposite poles of the cell.Telophase II: The chromosomes decondense and nuclear membranes form around each set.Cytokinesis II: The cytoplasm divides, resulting in four haploid daughter cells.Learn more about Meiosis here:https://brainly.com/question/32192580
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Which of the following are components of the nonspecific immune response?
I.
mucous
II.
skin
III.
macrophages
IV.
T lymphocytes
V.
B lymphocytes
The following are components of the nonspecific immune response are mucous.
What are the nonspecific immune response?Innate, or nonspecific, immunity is the protection device with that you have been born. It protects you towards all antigens. Innate immunity entails limitations that maintain dangerous substances from coming into your body.
At mucosal surfaces, most effective the mucus layer stands among invading virus and stay cells. The mucus layer paperwork a bodily barrier that entraps overseas debris and consists of them out of the body; it additionally incorporates nonspecific inhibitors.
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Which chemical equation is properly balanced?
A. 4Ba + S, → 2BaS
B. 4HgO + 4Hg + 30,
C. 2FeO + 4C → Fe + CO,
D. Sil, + 2Mg → Si + 2Mgl,
The properly balanced chemical equation is option A. 4Ba + S, → 2BaS.
Explanation:The properly balanced chemical equation is option A. 4Ba + S, → 2BaS.
To balance a chemical equation, the number of atoms of each element should be the same on both sides of the equation. In option A, there are 4 barium (Ba) atoms and 1 sulfur (S) atom on both sides. Therefore, this equation is properly balanced.
In the other options, there is an imbalance in the number of atoms of one or more elements.
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2. Is it common for natural populations to be in Hardy-Weinberg equilibrium? Explain
Explanation:
According to Hardy Weinberg, the gene and allele frequencies for a population should ideally remain unchanged (stable) over generations. However, assumptions by Hardy Weinberg for a population to be at equilibrium can hardly be held true, naturally. This is because;
There is always some form of immigration and emigration within a populationA population can hardly be infinitely largeMutations do occur in populationsIn some occasions, mating within the population may not be randomNatural selection is always at play within populationsLearn More:
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Hardy-Weinberg equilibrium is not common in natural populations due to various evolutionary forces such as mutation, migration, selection, genetic drift, and non-random mating.
Explanation:In natural populations, it is rare for populations to be in Hardy-Weinberg equilibrium. Hardy-Weinberg equilibrium is a concept that describes an idealized population where the allele frequencies do not change from generation to generation. However, in reality, various factors such as mutation, migration, selection, genetic drift, and non-random mating can all disrupt the equilibrium.
For example, genetic drift is a random change in allele frequencies due to chance events. Small populations are more susceptible to genetic drift, and as natural populations are often small, they are more likely to experience random changes in allele frequencies.
Overall, Hardy-Weinberg equilibrium provides a useful theoretical framework, but it is not commonly observed in natural populations due to the presence of various evolutionary forces.
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Euglena is a unicellular organism with both chloroplasts and mitochondria. If scientists remove all of the chloroplasts from a Euglena and can no longer perform photosynthesis? How would it have to get its food?
Answer: euglena can feed as an heterotrophs (feeding on other organism)
Explanation:
Euglena takes in nutrient by taking in dissolved organic compound by osmosis for nutrition, and can survive without light.
Euglena absorbs the food directly through the cell membrane , entraps the food particles in a vacoule for digestion.
Suppose you can read the sequence of bases on only one strand of the double helix. What would you use to figure out the sequence on the other strand?
a.
base pairing rules
b.
central dogma
c.
x-ray crystallography
d.
sugar pairing rules
Answer:a). base pairing rules
Explanation: A DNA is a double stranded helix in which the two DNA strands are antiparallel and complementary to each other. Watson and Crick developed the base pairing rules that adenine pairs with thymine and cytosine pairs with guanine. The complementary strand are not the same in base sequence and composition instead anywhere adenine is found in one strand, thymine is found in the other strand and anywhere cytosine is found in one strand, guanine occurs in the other strand.
which of the following most accuratley describes most scientists current under standing of the evolution of humans? a) humans evolved from gorillas and other primates. b) gorillas evolved from humans and chimpanzees. c) humans, chimpanzees, and other primates share a common ancestor. d) humans have not evolved.
Answer:
a) humans evolved from gorillas and other primates.
Explanation:
What Darwin proposed, in fact, is that apes and humans have a recent common ancestor that places both apes and humans in the group of primates. This is the theory currently accepted to explain the evolution of humans, so the correct answer to your question is the letter A.
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(04.03 MC) Which description properly describes a step involved in cellular respiration? (4 points) Glucose is created, then the energy gained is transferred to the energy molecule. Carbon dioxide and water are released after the energy molecule is charged. Water is divided into carbon dioxide and glucose. Oxygen is combined with ATP to energize it.
Answer:
Carbon dioxide and water are released after the energy molecule is charged
Explanation:
Cellular respiration is a metabolic reaction in which glucose and oxygen molecules used to produce, carbon dioxide, water and, ATP. The stages of cellular respiration include glycolysis, pyruvate oxidation, the citric acid or Krebs cycle, and oxidative phosphorylation.
On the other hand, other options are not right because glucose molecules are used in the reaction rather than produced. Water molecules are produced as a result of consuming glucose and oxygen.
A description which properly describes a step involved in cellular respiration is; Carbon dioxide and water are released after the energy molecule is charged.
Discussion:
The totality of the cellular respiration process is characterized by the production of energy (ATP) in the body alongside Carbon dioxide and water from the oxidation of the energy molecule.
The energy molecule in this context is Glucose.
Upon metabolism (oxidation); Carbon dioxide and oxygen are produced alongside energy in the form of ATP.
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Which of the following are reactants in the process of photosynthesis?
A.
glucose and oxygen
B.
carbon dioxide and water
C.
glucose and water
D.
carbon dioxide and oxygen
Answer:
C
Explanation:
Compared with ionic compounds, molecular compounds have lower
Answer:
Melting and boiling points.
Explanation:
That s is because the bonding in ionic compounds is much stronger than covalent compounds.
Molecular compounds have lower melting and boiling points than ionic compounds because the intermolecular forces within molecular compounds are weaker than the ionic bonds in ionic compounds, requiring less energy to disrupt.
Explanation:Compared with ionic compounds, molecular compounds have lower melting and boiling points. This is because molecular compounds, also known as covalent compounds, are composed of molecules held together by various types of intermolecular attractions, such as hydrogen bonding, dipole-dipole interactions, and London dispersion forces. These forces are significantly weaker than the ionic bonds found in ionic compounds, which are typically formed between metals and nonmetals and create a rigid crystalline structure. Hence, less energy is required to disrupt the intermolecular forces in molecular compounds, resulting in their generally lower melting and boiling points. For example, water, a molecular compound, melts at 0 °C and boils at 100 °C, whereas sodium chloride, an ionic compound, melts at 801 °C and boils at 1413 °C. These characteristics also lead to molecular compounds being poorer electrical conductors and having varied water solubility based on the type of intermolecular forces involved.
characteristics of fern plant
Answer:
A characteristic feature of ferns is their root structure. Ferns spread by rhizomes, which are stems that may run just above or just below the ground. The rhizomes produce fronds above them and roots below them. Some ferns have spreading habits while others have clumping forms, but both types produce roots from their rhizomes.
Explanation:
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here is the answer to your question!!!!
RS = 4(x-3)+6 and RT = 5(2x-6)
The value of x = 4
Explanation:
RS = 4(x-3)+6
= 4x-12+6
= 4x-6
RT = 5(2x-6)
= 10x-30
Showing left hand side is equal to right hand side.
4x-6 = 10x-30
Divide both left hand side and right hand side by 2, we get:
2x-3 = 5x-15
Rearrange both the sides
-3+15 = 5x-2x
12 = 3x
x = 4
Thus, the value of x is 4
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Answer no 8:
The correct option is D) Antelopes with muscular legs are bale to outrun their predators better than antelopes with poor muscle tone. Thus they lived to reproduce.
Explanation:
Genetic variations in a population are the main reason that natural selection tends to occur. Natural selection favours those organisms which have better characteristics.The organisms with better traits are able to reproduce and pass on their characteristics to their offsprings.
Answer No 10:
The correct option is A) Phenotype directly influences the interaction of an organism with its environment.
Explanation:
The interactions between the phenotypic traits and the environment analyze whether a particular organism will be able to survive and pass on its characteristics to its offspring. Hence, the phenotype directly influences the interaction of an organism with its environment.
Answer No 9
The correct option is A) resistance to a virus
Explanation:
Mutations can be described as any changes which occur in the DNA of an organism. Mutations might be beneficial or harmful depending on the location where the mutation arises. Viruses are usually harmful for eukaryotes. Hence, the correct option is A.
Answer No 11:
The correct option is C) Giraffes with longer necks survived because they were better suited to the environment.
Explanation:
Natural selection tends to favour those organsims which are better suited to live in an environment. Those organisms with better characteristics are able to survive and pass on their traits to their offsprings.
The giraffes with longer necks were better adapted to live in the environment and hence were favoured by natural selection.
Answer No 12:
The correct option is D) selective breeding
Explanation:
Selective breeding can be described as a technique in which organisms with better characteristics are crossed, so that offsprings with better characteristics can be produced. Selective breeding is done by humans where as natural selection is done by the nature.