BIOLOGY COLLEGE

The pyruvate dehydrogenase complex converts pyruvate to acetyl coenzyme A, abbreviated acetyl CoA, which can then enter metabolic pathways such as the citric acid cycle. Identify the citric acid cycle enzyme that is mechanistically and structurally similar to the pyruvate dehydrogenase complex. Which enzyme or enzyme complex is similar to the pyruvate dehydrogenase complex? isocitrate dehydrogenase fumarase glyceraldehyde 3‑phosphate dehydrogenase α‑ketoglutarate dehydrogenase

Answers

Answer 1
Answer:

Answer:

α‑ketoglutarate dehydrogenase

Explanation:

This is an enzyme complex ,which is analogous to pyruvate dehydrogenase. . Its catalytic activity is inhibited by it products succinyl Co A,it is also refers to as oxoglutarate dehydrogenase complex.(OGDC).

This enzyme complex  is similar to pyruvate dehydrogenase in  having  the same subunit structure, and using  the same type of co-enzyme.    

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A train travels 120km in 2 hours and 30 minutes. What is its average speed in meters per second?

Answers

Answer:

.8 miles a minute

Explanation:

convert 2 1/2 hours to minutes and divide it by 120
13.3 m/sec
(change 120 km into meters, making it 120,000 m. change 2 hours and 30 min into sec, making it 9,000 sec. v=d/t so you divide meters by seconds, and get 13.3 m/s)

Which of the following best describes the effect of cancer-causing mutations on the cell cycle? The mutations increase the speed of the cycle. The mutations cause the cell to bypass checkpoints in the cycle The mutations eliminate one or more stages of the cycle. The mutations interfere with S stage of the cycle. None of these.

Answers

Answer:

None of these.

Explanation:

Cancer mutations affect cell cycle regulators.

Cell cycle is a highly regulated process by the regulators that can promote cell cycle or inhibit the cycle. Genes that encode for those regulators are classified into two groups:

  • proto-oncogenes-encode for positive regulators such as growth factor receptor. If a cancer mutation occurs in the proto-oncogene it becomes oncogene and its product is overactivated. The increased avtivity of positive regulators leads to abnormal cell division.
  • tumor suppresor-the products of such genes blocks the cell cycle, but after the mutation they become inactive, which leads to uncontrolled cell cycle.

Which of these layers is the deepest?

Answers

Answer:

the answer is B. C horizon

Explanation:

AP3X
the deepest layer: horizon

Will give brainlistEarth's surface is constantly changing, and new landforms are constantly taking shape due to natural processes. Which landform is most likely caused by deposition?
A. caves
B. valleys
C. Deltas
D. lakes

Answers

Answer:

C. Deltas

Hope it helped :)

Describe how the host is damaged by the parasite​

Answers

Answer:

A parasite is an organism that lives within or on a host. The host is another organism. The parasite uses the host's resources to fuel its life cycle. It uses the host's resources to maintain itself.

Explanation:

Why do you think the appearance of the Moon and the stone sphere is similar in this way? (Hint: Think about the light in the image

Answers

The similarity in appearance between the Moon and the stone sphere is due to the spherical shape of both objects, causing a uniform and diffused reflection of light.

The similarity in appearance between the Moon and the stone sphere in the image can be attributed to the way light interacts with spherical objects. This phenomenon is primarily due to the principles of reflection and the geometry of spherical shapes.

Light Reflection: Both the Moon and the stone sphere reflect sunlight. The Moon is illuminated by the Sun's rays, and the stone sphere, although much smaller in scale, reflects ambient light or artificial light sources.

Spherical Shape: Spherical objects have a unique way of reflecting light. When light falls on a spherical surface, it is refracted, scattered, and reflected in various directions. This scattering of light creates a uniform and diffused illumination on the entire surface of the sphere, resulting in a soft and evenly distributed glow.

Absence of Sharp Edges: Spheres lack sharp edges and corners that can create shadows or abrupt changes in light intensity. This absence of shadows and the uniform distribution of light contribute to the similar appearance of the Moon and the stone sphere in terms of their illuminated surfaces.

In summary, the shared appearance can be explained by the spherical shape of both objects, which results in a gentle and uniform distribution of reflected light, creating a soft and luminous appearance in the image.

For more such questions on Moon

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Answer:

I think I forgot

Explanation:
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