the glyoxylate cycle, which is present in , evolved to produce .
A. plants; fat from sugars plants and animals;
B. fat from sugars plants; sugar from fats
C. plants and animals; sugar from fats
Answers
The glyoxylate cycle is present in plants, bacteria, protists, and fungi. It evolved to produce sugar from fats. The correct option is C.
The glyoxylate cycle is a variation of the tricarboxylic acid cycle, which is a metabolic pathway that occurs in all aerobic organisms.
The glyoxylate cycle allows cells to use two carbons (C2 compounds), such as acetate, to satisfy cellular carbon requirements when simple sugars such as glucose or fructose are not available.
The cycle is generally assumed to be absent in animals, with the exception of nematodes at the early stages of embryogenesis.
In plants, the glyoxylate cycle occurs in special peroxisomes which are called glyoxysomes. This cycle allows seeds to use lipids as a source of energy to form the shoot during germination.
The seed cannot produce biomass using photosynthesis because of lack of an organ to perform this function. The lipid stores of germinating seeds are used for the formation of the carbohydrates that fuel the growth and development of the organism.
The glyoxylate cycle is also important in microorganisms. For example, the bacterium Escherichia coli can use the glyoxylate cycle to grow on acetate as the sole carbon source.
The glyoxylate cycle is also important in the metabolism of some fungi. For example, the fungus Aspergillus nidulans can use the glyoxylate cycle to grow on ethanol as the sole carbon source.
The glyoxylate cycle is an important metabolic pathway that allows cells to use a variety of carbon sources to meet their energy needs.
Therefore, the correct option is C, plants and animals; sugar from fats.
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Related Questions
7. __________ represent the different variations of a gene. Alleles Traits Chromosomes None of the above
Answers
Alleles represent the different variations of a gene.
The correct option is option a.
An allele is basically defined as an alternative form of a particular gene and an allele is basically one of the members of a pair of the genes which is found to be located at a specific position on a particular chromosome.
They basically happen to determine the distinct traits which can be passed on from one generation to the other generation through the process of sexual reproduction. The allele can be either dominant or it can be a recessive allele.
Hence, the correct option is option a.
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When does DNA replicate, or make copies of itself
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What is the correct sequence of renal tubule segments through which filtrate would flow? Multiple Choice Distal tubule, ascending timb of nephron loop, descending limb of nephron loop, proximal tubule Collecting duct proximal tubule, descending limb of nephron loop, ascending timb of nephron loop, distal tubule Proximal tubule, ascending limb of nephron loop, descending Imb of nephron loop, distal tubule Proximal tubule, descending limb of nephron loop, ascending timb of nephron loop, distal tubule
Answers
The correct sequence of renal tubule segments through which filtrate would flow is B. proximal tubule, descending limb of nephron loop, ascending limb of nephron loop, distal tubule.
The kidney consists of three primary sections: renal cortex, renal medulla, and renal pelvis, the renal tubule is a portion of the nephron that carries a filtrate away from the glomerulus. Each nephron in the kidney has a renal tubule, which is divided into four different regions. The four regions are the proximal convoluted tubule, the loop of Henle, the distal convoluted tubule, and the collecting duct. The proximal tubule is the segment of the renal tubule that immediately follows Bowman’s capsule and is responsible for most of the reabsorption of nutrients and ions from the glomerular filtrate.
The descending limb of the loop of Henle is the second segment of the renal tubule, which is responsible for reabsorbing water. The third segment of the renal tubule is the ascending limb of the loop of Henle, which is responsible for reabsorbing ions, particularly Na⁺ and Cl⁻. The final segment of the renal tubule is the distal tubule, which is responsible for reabsorbing additional ions and regulating the pH of the urine. So therefore the correct answer is B. proximal tubule, descending limb of nephron loop, ascending limb of nephron loop, distal tubule.
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The filtrate in the renal tubule flows in the sequence: Proximal tubule, descending limb of nephron loop, ascending limb of nephron loop, and distal tubule, finally reaching the collecting duct where it gets converted into urine. These segments allow the reabsorption of water and useful substances, along with the expulsion of waste substances.
Explanation:The correct sequence of renal tubule segments in which filtrate would flow in the human body is: Proximal tubule, descending limb of nephron loop, ascending limb of nephron loop, distal tubule, and then the collecting duct. Kidney filtration starts at the Bowman's capsule which then passes it to the proximal tubule, the descending and ascending limbs of the nephron loop (Loop of Henle), followed by the distal tubule, and finally the collecting duct where it is converted into urine. The filtrate moves through these consecutive segments in order, a process which allows the body to reabsorb water and various useful substances while expelling waste substances as urine.
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Imagine that you have a time machine and you are able to go back in time to 6,000 years ago. You are standing on a newly formed barrier island – Santa Rosa Island. You see that a large and genetically diverse mainland population of oldfield mice have just colonized the island
In the current time, the mice on the beach have light fur. Given the information from this case, how would you (a biologist) explain the light fur given that you observed that the ancestors had medium colored fur.
Discuss the origin of light fur.
Answers
As a biologist, I would explain the origin of light fur in the mice on Santa Rosa Island by considering the process of natural selection.
The newly formed barrier island presented a new environment with different selective pressures compared to the mainland. The mice that successfully colonized the island were likely the ones that had genetic traits that allowed them to adapt to the new environment, including the color of their fur.
Over time, natural selection likely favored mice with lighter fur on Santa Rosa Island due to the unique environmental conditions. It's possible that the lighter fur provided better camouflage on the sandy beaches, allowing the mice to blend in with their surroundings and avoid predation. Alternatively, the lighter fur may have been better at reflecting the strong sunlight and keeping the mice cool in the hot, sunny environment.
It's important to note that the genetic diversity of the mainland population that colonized the island would have played a role in the development of the light fur trait. If there were already some mice with lighter fur in the population, they may have been more likely to survive and reproduce on the island, passing on the trait to future generations.
Overall, the origin of light fur in the mice on Santa Rosa Island can be explained by the process of natural selection and the unique environmental pressures on the newly formed barrier island.
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Red-green color vision is a sex-linked recessive trait Gail (who is heterozygous for red-green color blindness) marries color-blind George If Gail and George have a baby girl, what is the chance that the baby will be color-blind? A. 0% B. 25% C. 50% D. 75% E. 100% Gail has an extra-marital affair with Greg, who has normal color vision.
Answers
When George is the father, there is a 50% chance of having a color blind daughter, but when Gerg is the father, all of the girl children are normal, indicating that George is the father. As a conclusion, option B "George only" is the right response.
Because red, green color blindness is an x linked recessive disease, the defective allele is denoted by x' and the normal allele by x. Gail's genotype will be x'x because she is heterozygous for the trait. George is colorblind, so his gemotype is x'y. a hybrid of Gail and George Color blindness is defined as the inability to see colours normally. Color deficiency is another term for it. Color blindness occurs when a person is unable to distinguish between certain colours.
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What is the half-life of Schist (the rock)?
Answers
Answer:
Explanation:
dwane the rock johnson- the future president of america
what type of blood vessel usually carries rich blood
Answers
Answer:
The pulmonary veins
give brainliest
Negative feedback: If blood pressure is high, the blood vessels should
A. dilate (open up more)
B. constrict (get tighter)
Answers
Which of the following is evidence of evolution?
-Fossil record
-DNA analysis
-Comparative Anatomy
-All of the above
Answers
What process happens before both mitosis and meiosis?
Answers
Answer:
Interphase
Explanation:
Before dividing, the cell must go through interphase. There are three parts of interphase : G1 where the cell grows, S where DNA is copied, and G2 where the cell prepares for division. Interphase is the longest phase because the cell needs to grow.
Before mitosis, interphase happens and interphase also happens before meiosis I. it does not happen before mitosis II though
What is the probability of having a child with a recessive trait if both parents are heterozygous for the trait
Answers
Answer:
If you are born to parents who both carry the same autosomal recessive gene, you have a 1 in 4 chance of inheriting the abnormal gene from both parents and developing the disease.
Explanation:
You have a 50% (1 in 2) chance of inheriting one abnormal gene. This would make you a carrier.
PLS HELP I REALLY NEED THIS
Answers
taking into account both the odds of allele inheritance and carrier risk, what are the odds that she and her partner will have an affected child if he is of northern european descent and unknown cf carrier status?
Answers
The odds of having an affected child depend on multiple factors, including the allele inheritance and carrier risk associated with the condition.
Cystic fibrosis is an autosomal recessive disorder, meaning that both parents must carry a mutated CF gene to have an affected child. In Northern European populations, the carrier frequency for CF is approximately 1 in 25 individuals. If both parents are carriers, there is a 25% chance with each pregnancy that they will have an affected child. However, if the partner's carrier status is unknown, it is not possible to determine the exact odds. Genetic testing or consulting with a healthcare professional can provide more accurate information regarding carrier status and the likelihood of having an affected child.
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Select the correct location on the graph.
The graph shows the area of land deforested in a certain region each year from 1990 to 2004. Which bar on the graph corresponds to the year in
which human activity would have caused the greatest single-year change in biodiversity in the
region?
40,000
30,000
20,000
10,000
miles)
Area Deforested
(square
1990
1991
1992
1990
1991
1992
1993
1994
1996
1995
1997
1998
1999
Year
2001
2000
2002
2003
2004
Answers
Answer:
10,000
Explanation:
21.As mentioned in the video, the environment can also affect an organism's traits. The example of nourishment was used in the case for Spike, as this could affect his growth and size. This can also occur in humans. UV light was not mentioned in the video. How could UV light potentially affect an organism's trait? Provide one example.
Answers
Answer:
UV light can modify the DNA of a human being, provoking mutations that affect the traits. For example, exposure to the sun's UV rays affects the DNA of the skin cells, causing mutations that can lead to cancer.
Explanation:
An environmental factor that can affect humans traits is the exposure to UV light that the sun radiates. The DNA in our skin cells absorbs the UV rays. As a result, the DNA can suffer modifications that result in skin cancer. Also, the absorption of UV rays causes wrinkles since cell components are affected due to the accumulation of UV light.
Answer: UV light can modify the DNA of a human being, provoking mutations that affect the traits. For example, exposure to the sun's UV rays affects the DNA of the skin cells, causing mutations that can lead to cancer.
Explanation: An environmental factor that can affect humans traits is the exposure to UV light that the sun radiates. The DNA in our skin cells absorbs the UV rays. As a result, the DNA can suffer modifications that result in skin cancer. Also, the absorption of UV rays causes wrinkles since cell components are affected due to the accumulation of UV light.
3. What is it called when water vapor is evaporated from plant surfaces? *
Transpiration
Respiration
Photosynthesis
All of the above
Answers
Which act prompted the developers to install stormwater management systems to handle the movement of polluted water? The_______prompted the developers to install stormwater management systems to handle the movement of polluted water.
Answers
Answer:
The US Clean Water Act
Explanation:
The US clean water Act was passed in 1972. The main purpose of the Act was to ensure the regulation and reduction of pollutants into the water bodies. This was to ensure that the waterbodies were more cleaner, clearer and fit for use by the populace and thriving of life forms present.
This led the developers to install stormwater management systems to handle the movement of polluted water away from the waterbodies.
consequences of cardiac myocyte-specific ablation of katp channels in transgenic mice expressing dominant negative kir6 subunits
Answers
These mice gained weight and developed after birth similarly to non-transgenic mice, however an increased mortality was seen after 4-5 mo. As shown by patch clamp methods, cardiac KATP channel activity was absent in transgenic animals. The action potential duration was prolonged in these mice, which is consistent with a reduced current density seen at positive voltages.
What is cardiac myocyte ?The primary functioning unit of the organ is the cardiac myocyte. A lipid membrane that is supported by a collagenous cytoskeleton physically separates the cell from the outside world. Although the membrane is impervious to ions and the majority of substances, proteins placed into it allow ions and other substances to pass through.
The cells that produce contractile force in an undamaged heart are known as cardiomyocytes. The cardiac conduction system, which is in charge of controlling the heart's rhythmic beating, is made up of specialised cardiomyocytes.Learn more about Cardiac myocyte here:
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2.) describe how the water lily is pollinated. what do these flowers look like on the second day they are open? what about the first day? what is the purpose of the pool of ""nectar"" in these flowers?
Answers
The water lily is a plant that produces a magnificent flower.The water lily's flower is opened the first day, and it is either male or female. In the center of the flower is a stamen that is surrounded by yellow pollen. The stigma is at the center of the female flowers, and it is where pollen is deposited.
If the water lily is to be pollinated, the pollen from a male flower will be deposited on the stigma of a female flower. When the flower is pollinated, the petals close tightly, and it sinks beneath the water. After pollination, the flowers grow into a fruit that contains the seeds. The fruit eventually matures, breaks open, and the seeds float to the surface to germinate.
The flowers of the water lily have a unique appearance on the second day of blooming. The petals have a beautiful color and are either white or light pink. The center of the flower has a yellow stamen surrounded by a greenish yellow pistil. The flowers look different on the first day they are opened. The petals are shorter and smaller, and the center of the flower is sunken. There is no stigma on the first day of blooming in the female flowers.The purpose of the pool of "nectar" in these flowers is to attract pollinators. When a pollinator lands on the flower, it must crawl around the stamen to get to the nectar. Pollen will be stuck on the pollinator's body when it crawls around the stamen. The pollen will then be transferred to the stigma when the pollinator lands on another flower. As a result, the flower is pollinated. In conclusion, the water lily is a plant that is pollinated by insects. The flowers of the water lily have a unique appearance on the second day of blooming. The purpose of the pool of "nectar" in these flowers is to attract pollinators, which in turn pollinate the flowers.
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How are primary consumers different from secondary consumers?
a. primary consumers eat only plants: secondary consumers eat other comsumers.
b. primary consumers eat other consumers; secondary consumers eat only plants.
c. primary consumers eat plants and decompose matter;
d. primary consumers eat plants an decompose matter; secondary consumers eat plants and other consumers.
Answers
Answer:
A
Explanation:
Secondary consumers are organisms that eat primary consumers for energy. Primary consumers are always herbivores, or organisms that only eat autotrophic plants.
Name the three types of population distribution,
describe each, and explain the conditions that
govern each.
Answers
Answer:
random clumped uniform i think
Explanation:
Answer:
The three types of population distribution are uniform, random, and clumped.
Uniform distribution is rare. Individuals are evenly spaced and there is fierce competition for resources.
In random distribution, some individuals are close together, and some are spread apart. This occurs when there are sufficient resources available.
In clumped distribution individuals are clustered around patchy resources. This is the most common type of distribution.
Explanation: EDGE 2021
Now choose one of the resources used for energy production that you have studied in this lesson. Describe how the way humans use or obtain this resource might impact the natural resource you described in part A. If you don't think the natural resource in part A is affected, explain why.
Answers
In general, the way humans use or obtain any resource can have a significant impact on the natural resources.
For example, if the resource is fossil fuels such as coal, oil, and natural gas, the extraction and burning of these resources can lead to pollution of air, water, and soil. It also contributes to climate change and global warming, which can have severe impacts on various natural resources such as oceans, forests, and wildlife.
What is the energy production about?Mining and drilling for fossil fuels can also lead to habitat destruction and fragmentation, which can negatively impact wildlife populations and biodiversity.
The production and transportation of these resources can also lead to spills and leaks, which can harm aquatic wildlife and their habitats.
In conclusion, the way humans use or obtain resources can have a significant impact on the natural resources, and it's important to consider the environmental impact of different energy production methods in order to make more sustainable choices.
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3. People generally get tired at night. Which hormone is responsible for this tired feeling?
insulin
melatonin
glucagon
corticosteroid
Answers
Answer: Melatonin
Explanation:
Answer: Melatonin
Explanation: Melatonin is the hormone released by your brain to make you feel either sleepy at night time or awake during the day.
What processes can transform metamorphic rock into sediment? question 3 options: weathering and erosion heat and pressure compaction and cementation crystallization and solidification
Answers
Metamorphic rocks are rocks that are formed as a result of heat and pressure. These rocks can be broken down into smaller pieces and turned into sediments by the process of weathering and erosion.
Therefore, the processes that can transform metamorphic rock into sediment are weathering and erosion.Weathering is the process by which rocks are broken down into smaller pieces by physical, chemical, and biological processes. Physical weathering occurs when rocks are broken down by mechanical forces such as wind, water, and ice. Chemical weathering occurs when rocks are broken down by chemical reactions with water, air, or other substances. Biological weathering occurs when rocks are broken down by the actions of living organisms such as plants, animals, and bacteria.
Erosion is the process by which sediments are moved from one location to another by wind, water, or ice. This process can occur naturally or be caused by human activities such as mining, construction, and farming. Erosion can also occur as a result of natural disasters such as floods, landslides, and hurricanes.
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Answer if possible!!!
Answers
Answer:
Doesn't know sorry
Answer:
I think it would be D because they covered the soil with rocks and sand and the only seed that are small enough to fit through that are weed seeds. I hope this helps. :)
the condition in which patches of endometrial tissue are located outside the uterus is called
Answers
Endometriosis is a chronic and often painful disorder that affects women of reproductive age. It occurs when the tissue that lines the uterus grows outside the uterus and attaches to other organs in the pelvic cavity.
Endometriosis is a complex condition with varying symptoms and severity. When the endometrial tissue is located outside the uterus, it can still respond to hormonal changes during the menstrual cycle, leading to inflammation, scarring, and the formation of adhesions.
This can cause pelvic pain, heavy or irregular periods, pain during intercourse, and fertility problems. The exact cause of endometriosis is not known, but factors such as hormonal imbalances, genetic predisposition, and immune system dysfunction may play a role.
Diagnosis of endometriosis often involves a combination of medical history review, physical examination, imaging tests, and sometimes surgical exploration. Treatment options for endometriosis aim to manage symptoms and improve quality of life.
They may include pain medications, hormone therapy to regulate the menstrual cycle, and surgery to remove or destroy the endometrial growths. In some cases, assisted reproductive technologies may be used to help achieve pregnancy. It is important for individuals experiencing symptoms of endometriosis to consult with a healthcare professional for proper evaluation and management.
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Write on meiosis and mitosis; relevances and the processes.
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Answer:
Mitosis is the process of cell division usually dedicated to cell growth or asexual reproduction. There are five phases of mitosis, which include prophase, prometaphase, metaphase, anaphase, and telophase. These phases are followed by cytokinesis. The end product of mitosis is two diploid daughter cells that are genetically identical to the mother cell.
Meiosis is the process of cell division that is dedicated to sexual reproduction. Meiosis occurs in two parts, which the same phases of mitosis that are essentially repeated twice. Meiosis increases genetic diversity due to crossing over and independent assortment that occurs during meiosis 1. The end product of meiosis are four haploid cells that originated from one mother cell.
Explanation:
Select all of the ways the cardiovascular system is involved in thermoregulation
Answers
The cardiovascular system plays a crucial role in thermoregulation by regulating blood flow and redistributing heat throughout the body.
Blood vessels near the skin surface dilate in response to increased body temperature, allowing more blood to flow near the skin's surface, promoting heat loss through radiation and convection. During cold temperatures, vasoconstriction occurs, reducing blood flow to the skin and minimizing heat loss.
The cardiovascular system aids in temperature regulation by adjusting heart rate. Increased body temperature leads to an elevated heart rate, facilitating heat transfer from the core to the periphery. In colder conditions, the heart rate decreases, limiting heat loss and preserving core temperature. By dynamically modulating blood flow and heart rate, the cardiovascular system actively contributes to maintaining a stable body temperature, thereby facilitating efficient thermoregulation.
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The complete question is:
Describe all of the ways the cardiovascular system is involved in thermoregulation in detail.
Owl
Fox
Snake
Rabbit
Mouse
Frog
Squirrel
Grasshopper
Grass
Seeds
In this food web, which organism is an omnivore?
Answers
If wrong I’m sorry
Which population would most likely be able to persist over many generations, despite having limited genetic variability
Answers
Answer:
A population in a relatively stable and static environment
Explanation: