I only answered some of them, the ones I knew for sure. Hope this helps
2. Oxygen.
3. Alveoli
4. Diaphragm
6. Trachea
8. Larynx
9. Heart
Name two features found in birds and their role in ensuring the ability to fly
There two features which facilitates bird to fly are presence of light and smooth feathers and light bones.
Explanation:Birds are the only living creatures which has the ability to migrate from one place to another through flying. There are many physical features present in their body which facilitates them in flying.
Among the two features and their role in flying are as follows:
Light and smooth feathers: Wings are the organ which is involved in flying. It is composed of feathers which are very colorful and are light in weight and smooth in its appearance. This apart from reducing the body weight helps the bird to reduce the force and drag during flying. Light bones: The skeletal system of the birds is composed of light bone which are primarily hollow with air sacs. This accounts for less body weight while flying.What is one virulence factor that differentiates staphylococcus aureus from other species of staphylococci? what is one virulence factor that differentiates staphylococcus aureus from other species of staphylococci? it has a capsule. it produces lipase. it can produce coagulase. it can live on the surface of the skin and in cutaneous oil glands. it produces catalase?
Answer:
B) It can produce coagulase
hope this helps.
What is a possible consequence of climate change to species that have a narrow temperature tolerance range? a. extinction b. decreased population c. changes in migratory patterns d. all of the above
Answer:
a. extinction
Explanation:
The species that have a very narrow temperature tolerance are usually species that are very specialized for their environment. These species are the ones that suffer the most if there's changes in the environment, and usually are the first ones to go extinct. If the temperature changes, especially if it happens relatively quickly, apart from the difficulty that species will have with the temperature itself, it will also have huge problems with the quickly changing habitat. The end result will be a quick demise and extinction of the species.
*100% CORRECT ANSWERS
Question 1
Climate warming trends allow plant and insect species to inhabit larger ranges.
True
Question 2
What is a possible consequence of climate change to species that have a narrow temperature tolerance range?
all of the above
Question 3
Which of the following is not a possible effect of rising carbon dioxide levels on plants?
increased plant mortality
Question 4
How does an early onset of spring through climate change affect plants?
their growing and flowering season starts earlier and is longer
Question 5
Environmental factors can cause various changes in ecosystems. Which of the following would most likely have the greatest lasting effect on an ecosystem?
change to the landscape from construction
Question 6
How does change to an ecosystem that results in succession benefit the ecosystem?
it leads to an increased level of biodiversity
Question 7
How do the benefits of natural change to ecosystems compare to the disadvantages?
the benefits outweigh the disadvantages
Question 8
Environmental factors can have various effects on ecosystems. In August 2005, Hurricane Katrina caused significant damage in several states along the Gulf Coast, including Alabama, Mississippi, and Louisiana. Thousands of people were evacuated from their homes due to flooding and other damage caused by the storm. What environmental impact would Hurricane Katrina not have caused?
early onset of spring
Question 9
Rising levels of carbon dioxide most likely
have a greater detrimental effect on the sea
Question 10
Which scenario best describes how climate trends might affect animal migration?
animals found at the equator may move north
If a researcher lesions the amygdala of a laboratory rat, the rat will most likely become A) hungry.B) sexually aroused.C) physically uncoordinated.D) less aggressive.E) aphasic.
Answer:
D) less aggressive.
Explanation:
Amygdala is a structure in the brain, part of the limbic system with the role in emotional responses such as aggressive behavior, sexual arousal, fear, but also it is also involved in memory and decision-making.
Stimulated amygdala increase aggressive behavior, while lesions induce opposite effect.
Determine the proportion of offspring phenotypes that would result when two merle dogs mate, if both dogs are heterozygous (Ll) for the gene that regulates coat length.
Answer:
75% would have the dominant traits for coat length, 25% would have recessive trait for coat length.
Explanation:
After completing a punnet square, we could find that our genotypes are 25% LL, 50% Ll, and 25% ll.
If these genotypes were to be physically expressed, LL and Ll would both be expressed as showing the dominant trait.
This means that 75% would have the dominant traits for coat length and 25% would have recessive trait for coat length.
I hope this was helpful! Let me know if you need any clarity.
Final answer:
When determining the offspring phenotypes of two heterozygous dogs (Ll x Ll) for coat length, a Punnett square reveals a 3:1 phenotypic ratio, resulting in three-quarters of the progeny having long fur (dominant) and one-quarter having short fur (recessive).
Explanation:
Understanding Offspring Phenotypes from a Genotype Cross
In genetics, when determining the proportion of offspring phenotypes, specifically with coat color and texture traits, a Punnett square is used commonly. This allows us to visually see the potential genotypes and phenotypes of the progeny when the parents have known genotypes. When two dogs that are heterozygous for a trait mate, each parent has one dominant and one recessive allele for the trait in question. To determine the proportion of phenotypes, you need to establish the alleles for each trait. For example, if we denote 'L' as the dominant allele for long fur and 'l' as the recessive allele for short fur, two heterozygous dogs would have the genotype Ll.
Setting up a Punnett square for Ll x Ll:
The first row and column will have the alleles from each parent (L and l).
By filling out the squares, we predict the potential genotypes of the offspring.
The resulting genotype ratio for Ll x Ll is: 1 LL (homozygous dominant), 2 Ll (heterozygous), and 1 ll (homozygous recessive).
The phenotypic ratio would be:
3 long fur (1 LL and 2 Ll, since L is dominant)
1 short fur (1 ll, as both alleles are recessive)
This gives us a phenotypic ratio of 3:1, where three-quarters of the offspring will have long fur, and one-quarter will have short fur, assuming that long fur is the dominant phenotype associated with the L allele.
Use the drop-down menus to answer some questions about dermal tissue. The dermal layer is the layer of the plant. The dermal layer is like human . The dermal layer has a waxy barrier called the . allow for gas exchange and regulate water loss. The dermal layer's main function is .
Answer:
1st: outermost
2nd: skin
3rd: cuticle
4th: guard cells
5th: protection
Explanation:
Answer:
The dermal tissue system safeguards the plants' soft tissues and monitors the associations with the surroundings of the plant. The epidermis refers to a dermal tissue, which is generally a solitary layer of cells enveloping the younger sections of the plants. It discharged a waxy layer known as the cuticle, which prevents loss of water.
The dermal layer is the outermost layer of the plant. The dermal layer is similar to human skin. The dermal layer possesses a waxy barrier known as the cuticle. The guard cells permit for exchange of gases and monitor loss of water. The prime function of the dermal layer is protection.
A patient has diabetes, a disease that causes high blood sugar levels. Which macromolecule will a dietician monitor most closely in a patient that has the disease?
A: carbohydrates
B: lipids
C: nucleic acids
D: proteins
Carbohydrates is the macromolecule that will be monitored most closely in a patient that has the disease diabetes by a dietician.
What is a macromolecule?"Macromolecule is a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer."
What are all the macromolecules?A large, organic molecule such as
carbohydrates,lipids,proteins,nucleic acids.What is diabetes?"Diabetes is a disease that occurs when your blood glucose, also called blood sugar, is too high."
What are the types of diabetes?There are three main types of diabetes:
type 1,type 2,gestational diabetes.To know more about macromolecule and diabetes here https://brainly.com/question/15237842
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How did the Industrial Revolution contribute to the changes in environmental quality that occurred
during the late 18th and 19th centuries?
Answer:
Negatively
Explanation:
The Industrial Revolution contributed to the first mass scale pollution of the Earth's spheres by the humans. There was pollution prior to it as well, but it was nothing when compared with the period after it occurred. With the development of the industry, lot of waste was released into the waters, or on the soil, often being very toxic and causing severe contamination. The main energy source was the coal, and the coal that was used was releasing enormous amounts of carbon dioxide and sulfur dioxide into the atmosphere. The places that were located near industrial object, or had industrial objects in them faced enormous pollution of the air, which badly affected the health of the humans, animals, and plants. The first acidic rains caused by the human activity started to appear, causing big damage on the forests.
Answer:
c. Increased economic development reduced environmental quality
Explanation:
This is an uncontrolled fire which destroys forests, jungle, and vegetation as well as animal species that live in the area. These fires spread very easily over large areas and is a source of great habitat destruction.
Answer:
Wildfire
Explanation:
The wildfires are one very devastating occurrence that can appear both naturally and be caused by humans. Naturally these fires occur because of high temperatures and drought, and because of thunders. When they occur, they spread out very quickly and it is an uncontrolled fire. It manages to burn down very large areas of grasslands or forests, moving very quickly and being extremely difficult to put it under control. While the wildfires are very destructive, there's also a positive from them, as they leave behind lot of ashes, and the ashes fertilize the soil, providing the basis for the growth of new vegetation.
What species consists of four blood types: A, B, AB, & O?
A) chimpanzee
B) dog
C) frog
D) human
i would have to say D human as its the most common ive herd of for the human race
hope this helps
"what kind of sand dune appears to be most common in this dune field"
The most common dune form on Earth and on Mars is the crescentic. Crescent-shaped mounds generally are wider than long. The slipface is on the dune's concave side. ... Some types of crescentic dunes move faster over desert surfaces than any other type of dune.
What type of species, if removed from the community, could lead to the collapse of the entire community? what type of species, if removed from the community, could lead to the collapse of the entire community? keystone species flagship species endemic species indicator species?
Answer:KEYSTONE SPECIES
Explanation:
the ecosystem would be extremely different without the key stone specie or cease to exist complete .
Basically a keystone specie is a specie that helps define an ecosystem and if the specie was to die or cease to exist no other specie can take its place and the ecosystem will have to change radically and it'll be forced to introduce a whole a new habitat because the keystone specie has a huge influence on the food web
EXAMPLE :
A keystone specie could be any specie ranging from plants to fungi
This karyotype is characteristic of children that are also born with mental impairment, slanted eye-lids, a protruding Young’s, heart defects, and small stature. This genetic disorder is
A. Down syndrome
B. Turner syndrome
C. Fragile X syndrome
D. Klinefelter syndrome
Answer:
this would be A
Explanation:
chromosomal syndrome triggered when an error in cell division fallouts in an extra 21st chromosome.
it would mean a lot if you thank me and star me :)
The Venn diagram details some of the helpful and harmful effects of bacteria. In what ways are viruses like bacteria?
A. Viruses are also pathogenic
B. Viruses are also decomposers
C. Viruses are also prokaryotes
D. Viruses can also cause food to spoil
Answer:
A. Viruses are also pathogenic
Explanation:
Pathogens are the microorganisms that are responsible for diseases in living beings. Both bacteria and viruses are pathogenic. Some of the common diseases caused by viruses in human are AIDS, Ebola, common cold, flu and small pox. Since viruses are metabolically inactive outside the host cell, they are not categorized as prokaryotic or eukaryotic organisms.
Viruses and bacteria are both pathogenic and can cause food to spoil, but they have different characteristics.
Explanation:In what ways are viruses like bacteria? Viruses and bacteria are both pathogenic, meaning they can cause diseases in living organisms. They can both cause food to spoil. However, viruses are not decomposers like bacteria, and they are not prokaryotes - they are actually a type of non-living particle.
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A hill in the rain forest was once completely covered with trees. A logging company cut down all of the trees. Which is a form of environmental degradation that will MOST likely result because of the cutting down of trees?
Hey there! Thanks for posting your question to Brainly®! Here's my full explanation and answer for you. Hope it helps you out!
Answers:
Loss of biodiversity, Climate change, Loss of soil fertility, FloodingExplanation:
Loss of biodiversity- According to National Geographic, 80% of the world’s plants and animals live in forests, and many cannot live elsewhere. With so many of the world’s plants and animals live in forests, that a significant reduction in that habitat, whether tropical rainforest or northern evergreen forest has an impact on biodiversity. Worse, many endangered plants and animals live only in a certain kind of forest habitat. Those species can be lost entirely or can become extinct in the wild very easily.
Climate change
- Cutting down the trees also removes a mechanism to regulate the temperature in forested areas. Hotter days and cooler nights put additional strain on the remaining plants and animals. Growing trees trap a good deal of carbon dioxide. That function cannot be fully replaced by planting single crops, like soy or hemp. The plants are good at holding moisture, trees in particular. Without forest cover, deserts can advance and push out remaining plants and animals.
Loss of soil fertility
-Forested land can be attractive for agriculture because it seems so fertile. In fact, this often isn’t so. The seeming fertility of a rainforest depends on the complex relationships between a variety of plant species. Clearing an area to plant soy or hemp just exposes soil that is high in nutrients at first. After a few growing seasons, the soil is exhausted and the farmers move on. The trees and brush in a forest help prevent soil from running off into lakes and rivers and polluting them.
Flooding
- Forests absorb heavy rains that otherwise could run directly into rivers and streams. After a storm, or after several rainy days, a local river can rise to flood stage, even with forests taking up much of the water. Without greatly reduced forest cover comes greatly increased runoff and flooding. Because so much of the world’s population lives along rivers, indiscriminate cutting and burning of forests can be a real threat to lives and property downstream.
You can read more about Deforestation and the aftermath at this website:
https://blog.arcadiapower.com/causes-effects-deforestation/
Offspring that result from crosses between true-breeding parents with different traits are called
Offspring that result from crosses between true-breeding parents with different traits are called hybrids.
Offspring from crosses between true-breeding parents with different traits are called hybrids. These hybrids contain a mix of traits from both parents, leading to genetic diversity in populations.
Explanation:Offspring that result from crosses between true-breeding parents with different traits are called hybrids according to genetic terminology. In the field of genetics, a true-breeding organism is one that, when self-fertilized, only produces offspring with the same traits. The differing traits of the parents are combined in a unique way in the hybrid offspring.
For example, a true-breeding plant with red flowers crossed with a true-breeding plant with white flowers might produce hybrid offspring with pink flowers. This helps in building diversity in plant and animal populations.
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Where is the diaphragm located? between the ribs inside the lungs below the lungs above the ribs
Answer:
below the lungs above the ribs
Explanation:
The diaphragm is a thin skeletal muscle that is located at the base of the chest.
This muscle contracts and flattens when one inhales, this in turn creates a vacuum that pulls air into the lungs.
The muscle relaxes when one exhales and the air is pushed out of lungs.
The diaphragm separates the abdomen from the chest.
The above process is known as breathing.
This is what causes the chest to move up and down.
Answer:
It would be located under the lungs,A good trick to remember this is to take a deep breath and feeling below where your ribs end
Explanation:
What makes sexually reproduced offspring genetically different from their parents?
They’re genetically different because they only possess half the genes from each parent, so they’re not indentical
Genetic recombination during meiosis makes erotically reproduced offspring genetically different from their parents.
What do you mean by Reproduction?Reproduction may be defined as a biological process through which living organisms give rise to offspring which are fertile in nature.
Due to the fusion of two gametes that are coming from two different parents causes segregation and genes from both the parents are intermingled to develop an offspring. As a result of this, variations may occur in the resultant offspring.
Therefore, genetic recombination during meiosis make erotically reproduced offspring genetically different from their parents.
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Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. Because of this, we would expect osteoblasts to contain numerous A) nuclei. B) ribosomes. C) lysosomes. D) Golgi bodies.
The answer would be B. as ribosomes are in charge of translating mRNA to polypeptides and thus proteins. (In this case osteoid and various hormones)
Answer:
ribosomes
Explanation:
Ribosomes are the structures present within the cell that are responsible for the protein synthesis to take place.These structures provide the catalytic site for the rRNA to direct protein synthesis. Since it is given that the osteoblasts are responsible for manufacturing many proteins and hormones, these osteoblasts must be rich in ribosomes as they are involved in the process of protein synthesis.The ph of the water in several lakes in norway and sweden had decreased to below 5.0 due to an increase in acid rain. What is most likely to happen in these lakes?
Answer:
What will most likely happen in these lakes is that there will be a decline of several fish populations. The correct answer is A.
Explanation:
The options attached to the question are given below:
A. The decline of several fish populations
B. An increase in the number of fish.
C. An increase in the number of primary producers.
D. Increased predator- prey relationship.
The fishes, just like any other living organisms has ideal body temperature and pH at which they act best. The ideal pH for fish living in lake water is between 6 and 8. If the pH is reduced below this value then the water will become acidic and this will be toxic for the fish population living in the lakes. Therefore, those fish that can not cope will die and there will be a decrease in the fish populations.
Increased acid rain leading to lower pH in lakes can result in damage to aquatic life due to altered physiological processes, depletion of dissolved oxygen, and increased eutrophication. This creates an inhabitable environment for most fauna, excluding some acid-tolerant species.
Explanation:When the pH of water in lakes decreases to below 5.0 due to an increase in acid rain, several harmful effects are most likely to occur. One of the primary impacts is damage to aquatic life, as most organisms, excluding some acid-tolerant species, can't survive in such acidic conditions. This is because a lower pH can affect metabolic processes and inhibit the survival and reproduction of aquatic organisms. For instance,
fish and shellfish can experience decreased survival rates and altered physiological functions.
Moreover, the increased acidity can lead to the depletion of oxygen in the water body, a scenario that often results in 'dead zones', where the majority of the fauna cannot survive due to insufficient oxygen. Eutrophication, or excessive growth of microorganisms, can also occur, leading to an overall imbalance in the aquatic ecosystem.
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Carbon dioxide diffuses into the ocean carbon cycle via the air-sea surface exchange. Molecules of CO2 enter the ocean by diffusing into the surface waters and dissolving. The amount of CO2 that diffuses and dissolves in the surface water depends on several variables. Scientists have noted that more CO2 diffuses and dissolves in colder sea surface water and less CO2 diffuses and dissolves in warmer water. Let's assume the predictions of scientists predicting a warming climate are true. Can you predict the changes to this model if average ocean temperatures increase as well?
A) Warmer oceans would result in an increase in dissolved CO2. That in turn would result in a shift in the oceans to more photosynthesis, respiration, and decomposition.
B) Warmer oceans would result in an increase in dissolved gases in the oceans. An increase in the CO2 would result in an increase in the rate of photosynthesis of autotrophs found in the oceans.
Eliminate
C) Warmer oceans would mean less dissolved CO2 as well as other gases such as oxygen in the global ocean. Lower CO2 would result in a decrease in photosynthesis of autotrophs living in the oceans.
D) Warmer oceans result in less dissolved CO2 in the oceans and more CO2 diffusing into the atmosphere. The extra CO2 would cause increased global warming, eventually causing a spike in Earth's temperatures and massive extinctions.
C is the correct answer for this one
If ocean temperatures rise, the solubility of the gas, in this case, carbon dioxide (CO2), would decrease and the amount of dissolved CO2 would reduce, pushing more CO2 back into the atmosphere and accelerating global warming. Option D best answers your question based on scientists' understanding of the process.
Explanation:Based on your question, if average ocean temperatures increase due to climate change, the air-sea surface exchange model would undergo significant changes. Scientists have observed that warmer waters tend to drive down the solubility of CO2, thus the amount of dissolved CO2 in the ocean would decrease. Consequently, more CO2 would diffuse back into the atmosphere.
Essentially, the correct answer to your multiple-choice question would be option D: 'Warmer oceans result in less dissolved CO2 in the oceans and more CO2 diffusing into the atmosphere. The extra CO2 would cause increased global warming, eventually causing a spike in Earth's temperatures and massive extinctions.' This prediction aligns with scientists' understanding of the air-sea exchange and the impact of temperature on it.
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A species of lizard is found on the eastern and western sides of part of a mountain range. On both sides, individual populations are small. On the western side, individual populations are relatively close together and males move extensively among populations to breed. On the eastern side, however, populations are farther apart and males seldom move among more than one or two adjacent populations to breed. If you were to study the genetic diversity of western and eastern populations, which pattern would you expect to find?
Answer:
A species of lizard is found on the eastern and western sides of part of a mountain range. On both sides, individual populations are small. On the western side, individual populations are relatively close together and males move extensively among populations to breed. On the eastern side, however, populations are farther apart and males seldom move among more than one or two adjacent populations to breed. If you were to study the genetic diversity of western and eastern populations, which pattern would you expect to find?
Each western population would be genetically diverse, although the allele frequencies might differ from one population to the next. Eastern populations would be less diverse, and some populations will have only a limited number of the total alleles available in the species.
Explanation:
Select the best answer for the question.
16. For a virus, what advantages and disadvantages does the lytic
lifecycle have compared with the lysogenic lifecycle?
A. The lytic lifecycle allows viruses to reproduce more quickly but
also kills the host and forces the virus to find a new host cell.
B. The lytic lifecycle allows a virus to wait until conditions are
optimal before reproducing but also gives the host cell more time to
detect and fight the virus.
C. The lytic lifecycle allows viruses to reproduce when the host cell
reproduces, spreading to its daughter cells, but also gives the host cell
more time to detect and fight the virus.
D. The lytic lifecycle ensures that the virus won't be detected by the
host cell but also kills the host and forces the virus to find a new host
Answer:
The Answer is likely A.
Explanation:
The Lysogenic cycle allows the virus to "live" within the genome of the cell and there it wait for the optimal time to replicate. The lytic cylce, allows the virus to replicate faster but it does kill the host.
Answer:
The lytic lifecycle allows viruses to reproduce more quickly but also kills the host and forces the virus to find a new host cell.
Explanation:
What type of rock does the ocean floor consist of? Igneous basalt rock Igneous granite rock Sedimentary rock Metamorphic rock
Igneous basalt rock
Explanation:The peripheral layer of Earth's lithosphere which is found under the seas and is shaped at spreading focuses on maritime edges, which happen at different plate limit, is called as oceanic crusts.
It is around 6 km (4 miles) thick. It is made out of a few layers, excluding the overlying residue. The highest layer, around 500 meters (1,650 feet) thick, incorporates magmas made of basalt rocks. The oceanic crust is differentiated from the continental crust through certain distinguishing features such as it is more slender, denser, more younger, and of various concoction piece.
Answer:
Igneous basalt rock
Explanation:
Hope it helps!!!
All foods contain chemical energy, but the amount of chemical energy is dependent of the type of food. The larger the compound, the more chemical bonds present and the greater amount of available chemical energy. We can rank molecule size, from smallest to largest, as sugar, starch, fat. We refer to the stored chemical energy in foods as calories. A calorie is the amount of energy required to raise the temperature of 1 gram of water 1 degree Celsius. When we refer to the calories in food, we are really talking about kilocalories or 1000 calories. Biology students "burned" 2 grams of food to heat water in a calorimeter in order to determine which food items contain the most usable chemical energy. Each group picked two food items to burn. One group chose a saltine and a chip. They hypothesized that the chip with produce a greater change in water temperature when burned. Here is the data they collected.
Answer:
B
Explanation:
The original hypothesis is correct because the chip also contains lipids, which are larger macromolecules. The saltine contains flour. The chip contains potato. Both are starches but the chip also contains fats or lipids, which are larger macromolecules with more potential chemical energy when burned
As per the given scenario, the chip contains more lipids than the saltine. The correct option is A.
What is chemical composition?The arrangement, kind, and ratio of atoms in chemical substance molecules are referred to as chemical composition.
When chemicals are added to or removed from a substance, when the ratio of substances changes, or when other chemical changes take place in chemicals, the composition of the substance changes.
All foods have chemical energy, however the amount varies depending on the food's kind. More chemical bonds and more chemical energy are present in larger compounds since they include more of them. From smallest to largest, we can order molecules by size: sugar, starch, and fat.
With a staggering 9 calories per gram, fat is the macronutrient that offers the most energy. Because of this, a little serving of a fatty dish or condiment might contain a lot of calories.
Thus, the correct option is A.
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Your question seems incomplete, the probable complete question is:
How can you explain this differences in terms of chemical composition? A) The chip contains more lipids than the saltine. B) The saltine is a carbohydrate; the chip is a lipid. C) The saltine has less protein content than the chip. D) The chip is composed of starch; the saltine of simple sugars.
Place the following in correct sequence from the formation of a drop of urine to its elimination from the body.
1. major calyx
2. minor calyx
3. nephron
4. urethra
5. ureter
6. collecting duct
Answer:
nephron, collecting duct, minor calyx, major calyx, ureter, urethra
Explanation:
Nephron is a basic unit of kidney and it consists of glomerulus - a ball of small blood capillaries and a small tube called a renal tubule. Urea, water and waste substances, form the urine as it pass through the nephrons and down the renal tubules of the kidney. From the kidneys, urine travels down the ureters, to the bladde. rMicturition or urination is a function of urinary system and it refers to the discharge of urine from the bladder. Micturition is a process under the control of muscles of the bladder and sphincter muscles.
The study of the kidney is called urology. The kidney is a bean-shaped organ. The Kidney is metanephric in nature and located as the retroperitoneal in position.
The correct answer is mentioned below.
What is a kidney?The organ present in the body which regulates the fluid concentration of the body is called the kidney.The nephron is the structural and functional unit of the kidney.The sequence of the formation of the kidney is as follows:-
Minor calyxMajor calyxCollecting ductNephronUreterUrethraHence, the correct answer is described as follows:-
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What process causes all stars to glow and produce energy
Answer:
The simple answer is that deep inside the core of the Sun, enough protons can collide into each other with enough speed that they stick together to form a helium nucleus and generate a tremendous amount of energy at the same time. This process is called nuclear fusion.
Explanation:
Answer:
Explanation:stars shine Because they are extremely hot (like fire gives off light because it is hot) .
The source of this energy is present deep inside the star where the nuclear reactions are taking place.
In most of the stars the hydrogen is being converted into helium ,a process which gives off energy that heats the star
How does the primary transcript in a prokaryotic cell compare to the functional mrna?
Answer:
The primary transcript is the same size as the functional mRNA
Explanation:
Genetic information carried by the DNA is used to generate proteins through the process of gene expression. Gene expression involves the process of transcription and translation.During transcription information in the DNA is used to generate a primary transcript which in turn forms a messenger RNA. The primary transcript from the process of transcription undergoes excision to remove non-coding sequences so as tor form the functional mRNA in eukaryotes. This explains why the primary transcript in eukaryotes is larger than the functional messenger RNA. However, in prokaryotes the primary transcript is the same size as the functional RNA.Does the cell cycle have a beginning and an end
Answer:
No, it is a cycle, so it repeats cyclic.
Explanation:
The cell cycle is divided into two main phases: interphase and mitotic phase.
Interphase is phase characterized by the the cell growth and DNA copy (replication). During this phase, the cell prepares for division, formation of two daughter cells (mitotic phase).
Mitotic phase is subdivided into four phases:
prophase, - nuclear envelope breaks down, condensed chromosomes are released metaphase- chromosomes are lined up, mitotic spindle is formedanaphase - the sister chromatids of each chromosomed move to the opposite ends of the celltelophase-final stage, nuclear envelope reformsThe cell cycle is a regulated process with checkpoints, maintaining accurate progression through phases like interphase, mitosis, and cytokinesis to avoid issues like uncontrolled cell division.
The cell cycle consists of an orderly sequence of events, starting from interphase to cell division, encompassing phases like G₁, S, G₂, and mitosis.
Internal controls called checkpoints monitor each step of the cell cycle to ensure proper progression, with three major checkpoints in G₁, G₂/M transition, and metaphase.
Precise regulation by chemical messengers inside and outside the cell ensures accurate movement from one cell cycle phase to the next, crucial in preventing uncontrollable cell division, such as in cancer.
Which of the following statements about aldosterone is NOT correct?- Aldosterone is stimulated by decreased plasma sodium levels and increased plasma potassium levels.- Aldosterone increases the number of passive sodium channels in the luminal membrane of the distal tubule and collecting duct, thus aiding sodium reabsorption.-Aldosterone is produced in the adrenal cortex.-Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule.
Answer:
C. Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule.
Explanation;
Aldosterone hormone is produced by the adrenal gland and mainly carries out its functions in the kidney.Through the aldosterone hormone the body is able to retain more water for the kidney is able to hold more sodium.When the plasma sodium levels decrease and the plasma potassium levels increase the production of aldosterone hormone is stimulated for sodium is needed in the .body to maintain the high water levels in the body.Aldosterone is produced in the adrenal cortex and is stimulated by changes in plasma sodium and potassium levels. It increases sodium reabsorption by increasing the number of sodium channels and Na+-K+ ATPase pumps in the distal tubule and proximal tubule, respectively.
Explanation:Aldosterone is a steroid hormone produced by the adrenal glands, regulating electrolyte and water balance in the body. It acts on the kidneys, promoting the retention of sodium and excretion of potassium, thereby influencing blood pressure and fluid balance.
Aldosterone is produced in the adrenal cortex and is stimulated by decreased plasma sodium levels and increased plasma potassium levels. It increases the number of passive sodium channels in the luminal membrane of the distal tubule and collecting duct, aiding sodium reabsorption. Additionally, aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule.