What is used to make progestogen, a hormone?
Answers
Answer:
Crinone and Prometrium, are made from a chemical called diosgenin that is isolated from wild yam or soy. In the laboratory, this constituent is converted to pregnenolone and then to progesterone
Explanation:
Related Questions
Penecillin is a bacterium.
True
False
Answers
Answer: False
Explanation:
Answer:
False
Explanation:
They are antibiotics to fight off bacterial infections.
Eutrophication occurs when excess nutrients are supplied to a region, leading to an algae bloom and ultimately
A) ocean deoxygenation
B) coral bleaching
c) ocean acidification
D) overfishing
Answers
Answer:
A) ocean deoxygenation
Explanation:
Eutrophication (eutrophication) begins when fertilizers (usually washed away by rain) reach the water from fields and other agroecosystems. Fertilizers are rich in phosphates and nitrates, which are otherwise a limiting factor for the flourishing of life in water.
With an excess of these salts, plants, especially algae, often begin to flourish. Then the number of dead algae increases, which are then decomposed by saprophytes, consuming oxygen. Thus, the concentration of oxygen in the water decreases, and thus there is suffocation and mass death of aquatic organisms that consume oxygen in the process of respiration.
Arthropods exhibit all of the following characteristics except multiple choice segmentation. exoskeleton. jointed appendages. well-developed nervous system. pseudocoelom lined with mesoderm.
Answers
Arthropods are a diverse group of animals that exhibit several defining characteristics, including a well-developed nervous system, jointed appendages, and an exoskeleton.
However, they do not exhibit segmentation, which is a defining characteristic of annelids. The arthropod body plan is organized around a series of segments that are typically fused into functional units, such as the head, thorax, and abdomen in insects. In addition to these structural features, arthropods also possess a pseudocoelom lined with mesoderm, which provides space for the development and movement of internal organs. Despite their lack of segmentation, arthropods remain one of the most diverse and successful groups of animals on the planet.
Arthropods are known for having several distinct characteristics, such as segmentation, an exoskeleton, jointed appendages, and a well-developed nervous system. However, they do not possess a pseudocoelom lined with mesoderm. A pseudocoelom is a body cavity found in certain invertebrates, but not in arthropods. Instead, arthropods have a coelomate body plan with a true coelomic cavity.
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Which of the following does not describe a process involved in the transmission of information by the nervous system?
a. Dendrites of neurons receive signals from the axons of other neurons.
b. Motor neurons send signals to muscle cells to produce muscle contractions.
c. Neurotransmitters transfer information across synapses between neurons.
d. Sensory neurons carry impulses from the central nervous system to muscles.
Answers
Answer:
A Dendrites of neurons receive signals from the axons of other neurons.
where are the microsporangium and megasporangium found in a tulip?
a. stamen
b. ovule
Answers
The microsporangium and megasporangium found in a tulip is located in the ovule (option B).
What is microsporangium?Microsporangia are sporangia that produce microspores that give rise to male gametophytes when they germinate. It is a case, capsule or container that holds microspores.
On the other hand, megasporangium is part of the female reproductive system in plants. Alternatively, it can be called an ovule. It is a sporangium which produces only megaspores.
Therefore, the microsporangium and megasporangium is located in the ovule (female reproductive organ).
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When cerebrum is injured,a person becomes unconscious? Give reason.
Answers
Answer:Cerebrum injury leads to blurry vision and concussion leading to unconscious human being leading to persistent headaches.
Explanation:
Brain injury in general leads to concussion for several minutes and leading to worsening headaches. Skull may become swollen or filled with blood and brain tissue or cerebrospinal fluid. This leads to slow activity. Cerebrum damage can lead to every headache and low cognitive ability eventually.
if someone asks you to go to the shop and buy vegetables which are not gm products, how would be able to respond?
Answers
Answer:
You would respond by buying organic vegetables.
Explanation:
These vegetables are not genetically modified.
If someone asked me to go to the shop and buy vegetables that are not genetically modified (GM), I would respond by saying that I could certainly try my best to find such vegetables.
However, it's important to note that in many countries, genetically modified crops are widely grown and sold, and it can be challenging to find vegetables that are completely free from genetic modification.
That said, I would suggest looking for organic vegetables or seeking out a local farmer's market where the farmers might be able to tell you more about their growing practices. Additionally, some grocery stores may label their products as non-GMO or have a section dedicated to non-GMO products.
Ultimately, I would do my best to find vegetables that meet the request, but I would also provide information on the availability and limitations of finding non-GMO vegetables in the current market.
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the boundary between middle latitude forest and middle latitude grassland biomes is most closely related to the concept of the ________.
Answers
The boundary between middle latitude forest and middle latitude grassland biome is most closely related to the concept of the ecological transition zone.
The boundary between middle latitude forest and middle latitude grassland represents an ecological transition zone or ecotone.
This specific transition zone is characterized by the gradual or abrupt shift from a forest ecosystem to a grassland ecosystem in regions with middle latitude climates.
In this ecotone, the composition and structure of the plant and animal communities undergo significant changes as one moves from the forested area to the grassland area.
The transition can occur over a relatively short distance or may extend over a wider region, depending on various factors including climate, topography, soil conditions, and historical factors.
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why is surviving on a variety of berries better than relying on a single crop, like rice or potatoes?
Answers
Surviving on a variety of berries is better than relying on a single crop like rice or potatoes because it increases dietary diversity, making it easier to get the essential vitamins and minerals that our bodies need. Berries contain antioxidants, polyphenols, and other nutrients that can help prevent diseases such as cancer and cardiovascular diseases.
Additionally, because berries are seasonal, relying on a variety of them ensures a constant supply of different types of nutrients throughout the year. Furthermore, relying on a single crop can lead to over-reliance on one source of food and vulnerability to food shortages or pest infestations.
By having a range of berries, this vulnerability is reduced. In summary, relying on a variety of berries provides greater dietary diversity, essential vitamins and minerals, and a more secure food supply than relying on a single crop like rice or potatoes.
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In the conversion of glucose to pyruvate, how many of the actual steps involve electron transfer?.
Answers
Hi there,
I hope you and your family are staying safe and healthy.
The answer is: 1
In converting glucose to pyruvate, only 1 of the actual steps involved electron transfer.
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fe^{2 } can form 6 coordination bonds. four of these bonds form between fe^{2 } and heme. when oxygen binds to a heme-containing protein, the two open coordination bonds of fe^{2 } are occupied by:
Answers
When oxygen binds to a heme-containing protein, the two open coordination bonds of Fe^2+ are occupied by oxygen atoms.
Iron is bound by heme, a type of porphyrin molecule. It is the subset of heme proteins known as the auxiliary group, which also includes myoglobin, cytochrome, peroxidase, catalase, etc. Myoglobin and conventional heme-binding proteins like haemoglobin work together to transport and store oxygen in vertebrates.
The two open coordination bonds of Fe2+ are occupied by oxygen atoms when oxygen attaches to heme-containing proteins. For instance, in the case of haemoglobin, the coordination between the iron atoms in the heme group and the oxygen atoms results in a stable complex that is essential to hemoglobin's ability to carry oxygen in the circulation. The heme group's iron atom can switch between the Fe2+ and Fe3+ oxidation states, enabling it to bind and release oxygen as required. Heme-containing proteins possess the crucial coordination of the iron atom with the oxygen atoms through the two open coordination bonds, which is what enables them to carry out their essential biological roles.
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6. A taxi hurries with a constant speed of 84 km/h. How far can it travel in 5 hours?
0.6 km
420 km
300 km
16.8 km
Answers
Answer:
420 km
Explanation:
Answer:
420 Km/h
Explanation:
all you have to do is take 84 km/h and multiply it by 5 because that's how many hours it will take
a giant tornado is bearing down on dorothy's farmhouse. she only has time to help one other resident. based on research regarding kin selection, whom will dorothy take with her to the storm cellar?
Answers
Based on research regarding kin selection, Dorothy would likely choose to take a close family member with her to the storm cellar.
In the supporting explanation, kin selection theory suggests that individuals are more likely to help their close relatives because doing so increases the survival and reproductive success of shared genes. In the case of a life-threatening situation like a giant tornado, it is natural for individuals to prioritize the safety of their family members who share a significant portion of their genetic makeup.
Dorothy's close family members, such as her parents, siblings, or children, would likely be the ones she would choose to take with her to the storm cellar. By doing so, she would increase the chances of preserving the genetic material that she shares with her relatives, ultimately promoting the survival and well-being of her own genes in future generations.
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Which characteristic of an element determines its placement in the periodic table? O A. number of protons O B. size O C. mass O D. number of neutrons
Answers
Answer:
it gonna be A. Number of protons
Explanation
Elements are placed in order on the periodic table based on their atomic number, how many protons they have.
a phenotypically normal woman marries a man who is heterozygous for cmt disease, an autosomal dominant disorder. they have a son who has cmt disease. what were the chances he would inherit the disease? (if necessary, draw a punnett square to determine the answer.)
Answers
In the case of a phenotypically normal woman marrying a man who is heterozygous for CMT disease, an autosomal dominant disorder, the chances that their son would inherit the disease are 50%.
The woman in this case is phenotypically normal, which implies she does not have CMT illness. The man has CMT disease and is heterozygous for it, which means he has one normal copy and one mutant copy of the gene.
The boy acquired one copy of the mutant gene from his father, giving him a 50% chance of acquiring the condition.
Thus, their son has a 50% risk of inheriting the condition.
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in a genetics experiment on plants, 17% of the plants exibits trait a, and 22% of the plants exhibit trait b. 36% of the plants exibit trait a or trait b. what percentage of the plants exhibit both trait a and trait b?
Answers
In a genetics experiment on plants, we are given the following information:
3% of the plants exhibit both trait a and trait b.
According to the given information, 17% of the plants exhibit trait a, 22% of the plants exhibit trait b and 36% of the plants exhibit trait a or trait b.
We have to find out the percentage of plants that exhibit both trait a and trait b.
Let the percentage of the plants that exhibit both trait a and trait b be x.
Since, 36% of the plants exhibit trait a or trait b, the percentage of plants that exhibit neither trait a nor trait b will be
(100 - 36)% = 64%.
Therefore, percentage of plants that exhibit both trait a and trait b can be calculated as:
100% - percentage of plants that exhibit neither trait a nor trait b
= 100% - 64%
= 36%.
x = percentage of the plants that exhibit both trait a and trait b
x = 36% - 17% - 22% = -3%.
So, the percentage of the plants that exhibit both trait a and trait b is -3%. Hence, the percentage of the plants that exhibit both trait a and trait b is 0% (zero percent).
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1. A person flies from one continent to another. Unknowingly, he boards the plane with a few seeds attached to the laces of his hiking boots. As he is hiking at his destination, these seeds drop off and become planted. The seeds grow and interbreed with a closely-related native species also found at that location. After a few generations, the population where the seeds dropped have flowers with different shapes compared to the surrounding populations in the forest.
This is an example of
A.
gene flow.
B.
genetic drift.
C.
selection.
D.
disruptive selection.
2.Which of the following mechanisms will MOST consistently result in populations that adapt to a changing environment?
A.
gene flow
B.
genetic drift
C.
selection
D.
natural selection
3. Which of the following could result in allopatric speciation?
A.
Two populations of a species are separated by a river that they are unable to cross.
B.
Two populations of a species are separated by a field that is too dry during the summertime.
C.
One group within a population mates during the evenings and another during the mornings.
D.
One group within a population develops a new mating ritual that is not recognized by the other.
4.Which process in a hybrid zone increases the likelihood of speciation?
A.
stability – when a hybrid zone remains the same
B.
reinforcement – when a hybrid zone widens and fewer hybrids are formed
C.
convergence – when a hybrid zone narrows and more hybrids are formed
D.
fusion – when a hybrid zone disappears and separate species fuse into one
5.Based on current knowledge, which cellular trait is MOST likely the oldest?
A.
photosynthesis
B.
multicellularity
C.
presence of a nucleus
D.
presence of chloroplasts
6.Adaptive radiation is when
A.
a species develops a new trait.
B.
several species move to a new location.
C.
the number of species in an area rapidly increases in number.
D.
the number of species in an area rapidly decreases in number.
7.Hox genes regulate the development of
A.
the body plan of an embryo.
B.
gametes.
C.
the respiratory system only.
D.
the circulatory system only.
8.Evolution results in an increase of organisms that are
A.
larger.
B.
more complex.
C.
better suited to the current environment.
D.
better able to adapt to changing environments.
9. Where on a phylogeny are ancestral organisms for two groups found?
A.
at the end of the rightmost branch
B.
at the end of the leftmost branch
C.
on the nodes between the two groups
D.
as a perpendicular line crossing a branch
Answers
Answer:
1c
2b
3c
4d
5c
6a or c
7b
8c
9?
Explanation:
Answer:
1. A
2. D
3. A
4. B
5. A
6. C
7. A
8. C
9. C
Explanation: I took the test
you have two isolates from a species of soil fungus. you want to distinguish between sequence differences that arose by vertical transmission and by horizontal gene transfer. what type of genomic information might be helpful?
Answers
The DNA regions that are present in one isolate but not in the other are the most crucial pieces of information to search for.
With the exception of a few sequence variations brought on by mutations, the core genomes should align with one another. Large losses in a single isolate, however, might be an indication of horizontal gene transfer.
Hence, horizontal gene transfer would be indicated by groups of alterations or by the existence of a DNA block in one strand but not the other. To determine if a gene has been gained or lost, it may also be useful to find the homologs of each isolate's unique genes.
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You are looking at the differences between the genomes of two isolates from the same species of a fungus found in the soil. What types of genomic information could be helpful in determining which differences have arisen by vertical gene transmission and which ones might be due to horizontal gene transfer?
without knowing the genetic differences of the birds, how can we know that cardinals and finches are likely more closely related to each other than cardinals and finches are to woodpeckers?
Answers
Due to the genetic distinctions among the birds, it is likely that cardinals & finches are more closely connected to one another than they are to woodpeckers. The morphological similarities between cardinals and finches are greater.
How does genetics work?The scientific analysis of genetics focuses on genes and heredity, or the process through which specific characteristics or traits were passed through parents to their children as a result of variations in DNA sequence. A gene is a section of DNA that carries instructions for constructing one or even more molecules that are necessary for bodily function.
Which examples from genetics?The research of genes is called genetics. From one birth to the next, our genes transmit information. The reason one child has white highlights like their mother and their sibling gets brown hair as their father, for instance, is genetic.
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If ecosystem’s can clean earths water so well why dont we use that idea more when using water for human needs and consumption
Answers
Answer:
Ecosystems are indeed capable of cleaning the earth's water, and they do so through a variety of natural processes such as filtration, absorption, and biodegradation. However, when it comes to using water for human needs and consumption, the issue is not so much about the effectiveness of these processes, but rather the scale at which they can be implemented.
Natural ecosystems have limited capacity for water purification, and are not always able to cope with the large amounts of pollutants and contaminants that human activities introduce into the water supply. Moreover, many of these natural systems have been damaged or destroyed by human development, leaving fewer options for natural water treatment.
In addition, natural systems can take a long time to purify water, and the water may not be suitable for immediate use. This can be a challenge in situations where clean water is needed urgently, such as during a drought or a disaster.
Therefore, while it is important to protect and restore natural ecosystems that help to clean our water, we also need to develop and invest in technologies that can help to purify water on a larger scale, such as water treatment plants, desalination plants, and advanced filtration systems. By combining natural and technological approaches, we can ensure that we have a reliable and sustainable supply of clean water for human needs and consumption, while also protecting the health of our natural ecosystems.
does qualified nonrecourse debt increase tax basis
Answers
Yes, qualified nonrecourse debt can increase tax basis.
Nonrecourse debt is a type of debt where the lender's only recourse in the event of default is to the property securing the loan. Qualified nonrecourse debt is a type of nonrecourse debt that is used to acquire or improve real property. When you have qualified nonrecourse debt, your tax basis is increased by the amount of the debt, since you have an obligation to repay the debt using the property as collateral. This means that you may be able to claim deductions for depreciation and other expenses related to the property, which can lower your overall tax liability. However, it's important to note that the rules governing nonrecourse debt and tax basis can be complex, so it may be helpful to consult with a tax professional to ensure that you're taking advantage of all available tax benefits.
Qualified Nonrecourse Debt (QNRP) is a type of debt that is secured by real property, such as a mortgage on a rental property, and for which the lender's only recourse in the event of default is to foreclose on the property. QNRP is considered to be a separate asset from the property itself for tax purposes, and it can impact the taxpayer's tax basis in the property.
Under the tax code, a taxpayer's tax basis in a property generally includes the purchase price of the property, plus any improvements made, minus any depreciation taken. However, if the taxpayer uses QNRP to acquire the property, they may be able to increase their tax basis by the amount of the QNRP. This is because the taxpayer is not personally liable for the debt, and therefore, the debt does not represent a true economic burden on the taxpayer.
It's important to note that there are specific requirements for debt to qualify as QNRP, including that it must be incurred in connection with the acquisition or improvement of real property, and that it must be secured by the property itself. The rules surrounding QNRP can be complex, so it's always a good idea to consult with a tax professional for specific guidance.
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Explain how natural resources influence relationships among other nations
Answers
Answer:
Every nation has its own natural resourse that has abundant and theres other that lack so the countries will trade they abundant for the ones they dont have.
Explanation:
Check the image for question
Answers
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chromosomes line up in the middle and make sure sister chromatids are prepared to split evenly?
Answers
The chromosomes first condense and become visible, and then they line up along the center of the cell, known as the metaphase plate.
The process of mitosis, during which chromosomes line up in the middle of the cell and separate into two identical sets of chromosomes, called sister chromatids. This occurs during the process of cell division, which allows the cell to divide into two genetically identical daughter cells.
The spindle fibers, which are made up of microtubules, attach to the centromeres of the chromosomes and help to pull them apart, ensuring that each sister chromatid is separated evenly into one of the two daughter cells.
In this way, mitosis ensures that the genetic information of the parent cell is accurately passed on to the daughter cells, preserving the chromosome number and genetic information for future generations of cells.
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why does hormone 1 influence the action of gland a but not gland B or C
Answers
Answer:
Every activity in gland A is different from the activities in glands B and C.
The cells of glands B and C contain different receptors than the cells of gland A.
Each gland contains cells that have different base sequences in their DNA.
Explanation:
Please give the brainliest.
What other gland releases hormones?
Answers
Answer:
Pituitary gland
How could a model of meiosis be useful to scientists or to science students?
Answers
Answer:
YOUR ANSWER IS
Explanation:
to use a hand on method to develop an understanding of the mechanisim of meiosis using an organisum
Toward the end of depolarization, voltage-regulated ____________ channels open while the sodium channels close.
Answers
Toward the end of depolarization, voltage-regulated slow calcium channels would open while the sodium channels close.
What is cardiac cycle?Cardiac cycle can be defined as a complete heartbeat of the mammalian heart and it comprises sequential-alternating contraction and relaxation of the atria and ventricles, in order to allow blood flow unidirectionally (one direction) throughout the body.
The stages of cardiac cycle.Based on scientific evidence, the cardiac cycle in living organisms happens in two (2) stages;
DiastoleSystoleWhat is depolarization?Depolarization of the mammalian heart is a process which involves an orderly passage of electrical current sequentially through the heart muscle within the four chambers (4) of the heart such as atria and ventricles.
Toward the end of depolarization of the mammalian heart, voltage-regulated slow calcium channels would open while the sodium channels close.
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Why are decomposers classified as heterotrophs?
Answers
Answer:
Becuase they break down and feed on organic molecules (the remains of dead organisms) and release inorganic molecules
Explanation:
how has molecular evidence helped support fossil evidence in determining the early ancestor of modern-day whales
Answers
The early ancestors of modern day whales have been determined by the help of comparison of milk protein.
The comparison of milk protein of the whales has confirmed that the ancestors of modern day whales lived on land.
Fossil records are very important as they provide information about the past . Through the fossil records one is able to understand about the organisms and their ancestors.It is possible to know about the structure, food habits and the environment they lived in of the ancestors.
Molecular evidence is that evidence which is the information found from the DNA of all living beings.
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