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3 years ago

In which process CO2, is released as a by-product of oxidation-reduction reactions?

Biology

1 answer:

melamori03 [73]3 years ago

5 0

Answer:

B) Krebs cycle (citric acid cycle)

Explanation:

Glycolysis breaks glucose into two pyruvate molecules. Pyruvate is decarboxylated into acetyl CoA and the reaction occurs in the matrix of mitochondria. In the mitochondrial matrix, acetyl CoA enters Kreb's cycle and is broken down into CO2 and H2O. For one molecule of acetyl CoA, two molecules of CO2 are released as a by-product. Therefore, out of three carbon atoms of pyruvate, two are released as CO2 during Kreb's cycle.

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Asthma narrows airways to the lungs and in the lungs by contraction of muscles around the air passages, swelling of the airway l

Nikitich [7]

Answer:

C) respiratory: Circulatory

Explanation:

Oxygen travels through the blood stream to muscles, and cells

4 0

3 years ago

Two women are comparable in age, body conformation, and are pregnant at the same time, but one experiences stretch marks, while

adell [148]

The question is incomplete as it does not have the options which are:

a. The woman with stretch marks has a greater collagen-to-elastic fiber ratio.

b. The woman may have different gender babies.

c. The woman with less stretch marks has larger skin cells.

d. The woman without stretch marks has more cholesterol in her diet, which affects her cell membranes.

Answer:

The woman with stretch marks has a greater collagen-to-elastic fiber ratio.

Explanation:

The stretch marks on the hips, stomach and breast of pregnant women is a very common problem. These stretch marks appear pinkish in color which is very difficult to treat.

These stretch marks are the result of the collagen to elastin ratio which increases and stretches. This stretching happens due to the sudden or rapid increase in the weight of the body or the affected portion.

Thus, the selected option is correct.

4 0

3 years ago

Non native species that takes over the nature environment of others

OlgaM077 [116]

Answer: exotic

Explanation: exotic can be thought of as “not from here”

6 0

3 years ago

A few years after a devastating forest fire, pioneer trees become established. after another 50 years, those trees are replaced

Keith_Richards [23]

Abiotic factors composed of water, light, temperature and air etc. due to fire's this primary succession was completely destroyed. Their remaining organic bodies were decomposed in soil texture.

In order to establish secondary succession there is need of water and light, because water help in translocation of food and nutrients in plants while light is important for photosynthesis.

Photosynthesis need three major components. these are H₂O, CO₂ and light, all these components are abiotic part of ecosystem. However, when secondary succession occurs, then light play a key role in changing the composition of plant community. The best example is the difference in height of plants of different community.

4 0

3 years ago

The mother of an infant child asks the nurse what the right feeding schedule is for an infant. Of the following responses, which

lys-0071 [83]

Answer:

Explanation:

The child may go through growth spurts at 7-14 days old, between 3-6 weeks old, around 4 months old, and around 6 months old. So feeding them at that consistency will help in their development.

5 0

3 years ago