what would be the effect on fatty acid synthesis of an increase in intramitochondrial oxaloacetate level? briefly explain your answer.

Answers

Answer 1

An increase in intramitochondrial oxaloacetate level can have an inhibitory effect on fatty acid synthesis by reducing the availability of acetyl-CoA and activating key regulatory enzymes that divert acetyl-CoA towards other metabolic pathways.

During the citric acid cycle, oxaloacetate is converted to acetyl-CoA, which can be used as a substrate for fatty acid synthesis. However, when the level of intramitochondrial oxaloacetate increases, it can inhibit the conversion of pyruvate to acetyl-CoA, which is a key step in the citric acid cycle.

This can lead to a decrease in the availability of acetyl-CoA for fatty acid synthesis, and therefore a decrease in the rate of fatty acid synthesis.

In addition, an increase in intramitochondrial oxaloacetate can also lead to the activation of a key regulatory enzyme called pyruvate carboxylase. This enzyme converts pyruvate to oxaloacetate, which can further increase the level of intramitochondrial oxaloacetate.

The activation of pyruvate carboxylase can also lead to the diversion of acetyl-CoA away from fatty acid synthesis and towards other metabolic pathways.

An increase in intramitochondrial oxaloacetate level can have an inhibitory effect on fatty acid synthesis. This is because oxaloacetate is a key intermediate in the citric acid cycle, which is a series of chemical reactions that occur in the mitochondria and generate energy in the form of ATP.

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Related Questions

Variations within a species are most likely the result of

Answers

Answer:

Mutations

Explanation:

Answer:

Mutations and gene flow. Mutations, the changes in the sequences of genes in DNA, are one source of genetic variation. Another source is gene flow, or the movement of genes between different groups of organisms.

1) According to the global ecological footprint by nation, which country likely has the smallest (per capita) reliance on non-renewable resources?
es
A) USA
B) China
France
D) South Korea

1) According to the global ecological footprint by nation, which country likely has the smallest (per

Answers

Answer: france

Explanation:

france

What are two ways that a flood can negatively impact an ecosystem?

Answers

Answer:

Floods Cause Sedimentation and Erosion.

Explanation:

NEED HELP ASAP GIVE 50 POINTS!!!
Which organisms have cells that use mitochondria to release energy stored in food?
A: Self feeders
B: Neither self feeders nor other feeders'
C: Other feeders
D: Both

Answers

Answer:

A. self feeders

Explanation:

Adenosine triphosphate (ATP) uses mitochondria to release energy stored in food. Most autotrophs (self feeders) use energy from the sun during photosynthesis.

NEED HELP ASAP GIVE 50 POINTS!!!Which organisms have cells that use mitochondria to release energy stored

If you could take two of Pema’s sperm cells, would the genetic information in them be the same or different? Support your answer with reason(s).

Answers

Answer:should be same

Explanation:

This type of RNA makes up the ribosome and is the site of protein synthesis

Answers

Answer:

ribosomal RNA (rRNA)

Explanation:

pretty sure this is right

rRNA.

rRNA makes up the ribosome as well as the active site of the ribosome, the peptidyl transferase center (PTC).

list all the blood vessels a blood cell from the left fibular vein would have to go through to arrive in the right ulnar artery.

Answers

To travel from the left fibular vein to the right ulnar artery, a blood cell would have to pass through the following blood vessels:

Left fibular veinPopliteal veinFemoral veinInferior vena cavaRight atriumRight ventriclePulmonary artery

Pulmonary veins (returning oxygenated blood to the left side of the heart)

Left atrium

Left ventricle

Aorta

Brachiocephalic trunk (brachiocephalic artery)

Right subclavian artery

Axillary artery

Brachial artery

Ulnar artery

This path represents the general circulation of blood in the body, starting from the fibular vein in the lower leg and passing through various major blood vessels and the heart to reach the ulnar artery in the arm.

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How many mph is 45km/s 1mile= 1.609 Kilometers

Answers

Answer:72.405

Explanation:

13. How many molecules are produced per each glucose molecule

Answers

Answer:

One glucose molecule produces four ATP, two NADH, and two pyruvate molecules during glycolysis.

Explanation:

Which phrase best describes definition diffusion

Answers

Answer:

Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration down the concentration gradient.

Triangle XYZ is a scale drawing of triangle ABC. Triangle ABC has side lengths 3, 4, & 5. Triangle XYZ has corresponding side lengths x, 12, & 15. What is the value of x?

Answers

Answer:

x = 9

Explanation:

∆ABC is similar to ∆XYZ

Therefore:

AB = 4

XY = 12

BC = 3

YZ = x

Plug in the values

Cross multiply

4x = 36

Divide both sides by 4

x = 9

Michelle wants to ensure that attackers who breach her network security perimeter cannot gain control of the systems that run the industrial processes her organization uses as part of their business. What type of solution is best suited to this

Answers

The best solution for Michelle to prevent attackers from gaining control of her industrial systems is to implement network segmentation and use intrusion detection systems (IDS).

Network segmentation involves dividing the organization's network into separate subnetworks, isolating critical systems from the rest of the network. By doing this, even if an attacker breaches the security perimeter, they will not be able to access the sensitive industrial systems directly. Intrusion detection systems (IDS) monitor network traffic for any suspicious activity or potential threats. They can alert administrators in real-time, allowing them to take appropriate action before the attackers can compromise the industrial processes.

In addition to these measures, Michelle should also employ strong access controls, encryption, and regular vulnerability assessments to further strengthen her network security and protect her organization's industrial systems.

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Help Please answer only if you know it’s correct

Help Please answer only if you know its correct

Answers

Answer:

A

Explanation:

An acid will destroy enzyme structure. And render it useless . An acid can never stimulate enzymes

How does the respiratory system help maintain homeostasis?

Answers

Answer:

1. High Co2

2. signal sent to respiratory control center

3. The diaphragm acts to increases breathing

4. The lungs bring in O2 and release CO2.

5. The decrease in CO2 reestablishes homeostasis

Explanation:

The respiratory system is an example negative feedback

High Co2 --> a signal is sent to the respiratory control center to increase breathing. --> The diaphragm acts to increases breathing.  The lungs bring in O2 and release CO2. The decrease in CO2 reestablishes homeostasis

the function of vertebrae is to group of answer choices both protect the brain and nerve cord. provide attachment points for muscles only. protect the nerve chord only. both protect the nerve cord and provide attachment points for muscles. protect the brain only.

Answers

The function of vertebrae is to "both protect the nerve cord and provide attachment points for muscles." The correct answer to the question "The function of vertebrae is to..." is "both protect the nerve cord and provide attachment points for muscles."

Vertebrae are the small, individual bones that make up the spine or backbone. They serve two main functions: protecting the nerve cord, which runs through the center of the spine and carries signals between the brain and the rest of the body; and providing attachment points for muscles, which allows for movement and support of the body.

So, while the vertebrae do not directly protect the brain (that is the job of the skull), they do play a crucial role in protecting the nerve cord and supporting the body's musculature.

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I am made of many folds, I package molecules to leave the cell. I am the UPS guy who ships things out. What am I?

Answers

Answer:

golgi apparatus

Explanation:

the golgi apparatus packages molecules to leave the call

Explain the effect carbon has on climate​

Answers

Carbon dioxide is a greenhouse gas: a gas that absorbs and radiates heat. ... But increases in greenhouse gases have tipped the Earth's energy budget out of balance, trapping additional heat and raising Earth's average temperature. Carbon dioxide is the most important of Earth's long-lived greenhouse gases.

1. Based on the relative humidity in the room (average for the 3 trials), would a drop of water on your hand evaporate? If so, do you think it would evaporate quickly? Explain your answer. (5 pts)

1. Based on the relative humidity in the room (average for the 3 trials), would a drop of water on your

Answers

Answer:

Yes.

Explanation:

Because the air is not at its max saturation point, which means that it could possibly melt in your hand.

Position (m)
12
10
8
6
4
2
0
Position vs Time
2
4
6
Time (s)
8
10
12
Based on the graph, describe what is happening
between 4 and 6 seconds.
The object is moving away from the startata
constant speed.
The object is not moving.
The object is returning to the start at a constant
speed.
The object is changing speed.

Answers

Based on the graph, between 4 and 6 seconds time intervals, the object is stationary and not moving.

Between 4 and 6 seconds, according to the given position vs. time graph, the object's position remains constant at 4 meters. This means that there is no change in the object's displacement during this time interval, indicating that it is not moving.

The flat line on the graph between these two points indicates a steady position, suggesting that the object has come to rest or is stationary.

There is no indication of acceleration or velocity changes during this period, reinforcing the conclusion that the object is at a standstill. Therefore, the object is not changing its position or speed and can be described as not moving between 4 and 6 seconds.

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What are two reasons why insects have been so successful at filling niches and adaptively radiating into so many different species?

Answers

Answer:

The ability to flyThe quinine exoskeleton

Explanation:

The reason why insects are so successful in diversifying and adapting to different environments is closely related to their morphological and physiological adaptations.

In general, and compared with other groups, insects are small-sized. This characteristic also turns to be important and advantageous. Being small helps them find refuge in any place, escaping from predators, and as they are small they do not need too much food to survive.

Insects have a light and resistant exoskeleton made of chitin, a nitrogenated polysaccharide. This structure turns to be very important because it is impermeable to water, which helps the insect to avoid dehydration, helping the invertebrate to inhabit many different kinds of habitats. Also, the exoskeleton protects the arthropod from toxic substances and their natural enemies attacks, such as predators and pathogens

Insects are the only invertebrate with wings. Flying capacity is probably the most important adaptation that helped insects in their dispersion process to new areas. Being able to fly allows them to move huge distances looking for food, refuge, or mate. However, during evolution, some groups have lost the wings or have reduced their flying capacity.

The short life cycles, and their numerous litters, also helped them in their diversifying process.

An animal cell with Ψ of -4 bar is put in a sucrose solution with Ψs of -5. What is the tonicity of this solution in respect to this cell?



a
Hypertonic
b
Isotonic
c
Hypotonic
d
None of the above

Answers

D.none of the above

Which of the following is considered the control group in this experiment

Answers

Answer:

the source

Explanation:

True/False: acid deposition causes plants to take up the now available aluminum, which is detrimental to the plant.

Answers

Acid deposition causes plants to take up the now available aluminum, which is detrimental to the plant because when aluminum is present at high levels, it becomes toxic to plants. So the correct option is TRUE.

Acid deposition is a form of precipitation that contains high levels of acidic compounds such as sulfuric acid and nitric acid. Acid deposition is formed when nitrogen oxides (NOx) and sulfur dioxide (SO2) combine with water vapor in the atmosphere, creating sulfuric and nitric acids. Aluminum is present in soils and is essential for plant growth; however, it can become soluble in the soil due to acid deposition, and it can then be taken up by the plants. When aluminum is present at high levels, it becomes toxic to plants, which results in the roots of plants being damaged, and the plants becoming less productive.

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What do decomposers leave behind after getting their energy?
А
chlorophyll and vitamins
B
carbon dioxide and water molecules
с
elements like carbon, nitrogen and phosphorus
D
energy-rich carbohydrates

Answers

Answer:

C: elements like carbon, nitrogen, and phosphorus

Explanation:

Choice C is the correct answer.

Decomposers leave elements like carbon, nitrogen, and phosphorus behind after getting their energy. Therefore, option C is correct.

What are decomposers?

Decomposers are creatures that transform dead plants and animals into humus, a material with a deep brown color. Any ecosystem needs decomposers to function properly. Plants won't obtain vital nutrients if they aren't present in the ecosystem, and they will accumulate decaying objects.

Each contributes to the food recycling process in a different way. To transform dead plants or animals into simple substances, fungi release compounds. Some of these elements are absorbed by them for growth, while others go into the soil. As they ingest dirt, earthworms break down decaying plant and animal debris.

They leave elements such as carbon, nitrogen, and phosphorus after the decomposition of matter. Therefore, option C is correct.

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A starch molecule is like a:

Answers

Answer:

A reservoir of energy

Answer:

chemical battery and reservoir of energy

Explanation:

It is important to be careful when using nonrenewable resources because:.

Answers

Answer:

They cannot be renewed or brought back.

Explanation:

Nonrenewable resources are gone once they have been used up.

what feature of the mitochondrion allows isolation of the proton gradient?

Answers

The feature of the mitochondrion which allows isolation of the proton gradient is the production of the enzyme of the enzyme called ATP synthase.

What is the mitochondrion ?

The mitochondrion is the point where energy is produced in the cell. This is why the mitochondrion  is often referred to as the power house of the cell. This is the point where there is the production of ATP that enables the cell to perform its functions.

Thus, the feature of the mitochondrion which allows isolation of the proton gradient is the production of the enzyme of the enzyme called ATP synthase.

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how is dna copied in your own words?

Answers

Answer:

Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. DNA replication is one of the most basic processes that occurs within a cell. Each time a cell divides, the two resulting daughter cells must contain exactly the same genetic information, or DNA, as the parent cell. To accomplish this, each strand of existing DNA acts as a template for replication.

Replication occurs in three major steps: the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment. During separation, the two strands of the DNA double helix uncoil at a specific location called the origin. Several enzymes and proteins then work together to prepare, or prime, the strands for duplication. Finally, a special enzyme called DNA polymerase organizes the assembly of the new DNA strands. The following description of this three-stage process applies generally to all cells, but specific variations within the process may occur depending on organism and cell type.

Answer:

website answer...  the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment.

Explanation:

in my own words... the double helix and the separation of dna strands and the priming temlete strand and the assembly of a brand new dna segment

why was it critical for you to use these four genes instead of just one? Please provide specific evidence from the data provided.

Answers

The reason why it was critical to use these four genes instead of just one is that each gene provides unique information about the organism's characteristics and evolutionary history.

Why is genetic makeup dependent on multiple genes?

Using multiple genes instead of just one can provide a more accurate and reliable representation of an organism's genetic makeup.

For example, in the case of the study provided, the researchers used four genes to investigate the evolutionary relationships among different species of primates. The data showed that each of the four genes provided different information and helped to resolve different parts of the evolutionary tree. Gene 1 provided information about the relationship between New World monkeys and Old World monkeys, while Gene 2 provided information about the relationship between humans and apes.

Similarly, Gene 3 provided information about the relationship between gibbons and other primates, while Gene 4 provided information about the relationship between lemurs and other primates. By combining the information from all four genes, the researchers were able to construct a more accurate and detailed evolutionary tree than they would have been able to with just one gene.

In summary, using multiple genes instead of just one is critical because each gene provides unique information that can help to provide a more accurate and reliable representation of an organism's genetic makeup and evolutionary history.

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the g 2 checkpoint prevents the cell cycle from continuing until

Answers

Answer:

the DNA has finished replicating.

Explanation:

The G2 checkpoint prevents the cell cycle from continuing until the DNA has finished replicating. the chromosomes are properly attached to the spindle fibers.

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