Question

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In cellular respiration, the steps following glycolysis depend on whether oxygen is present. Select the BEST explanation:

A
If oxygen is present, production of acetyl-CoA, the citric acid cycle, and electron transport chain follow in order. If no oxygen is present, photosynthesis occurs starting with Photosystem II.

B
If oxygen is present, production of acetyl-CoA, the citric acid cycle, and electron transport chain follow in order. If no oxygen is present, either lactic acid fermentation or alcoholic fermentation follows.

C
In the presence of oxygen, carbon fixation occurs during the Calvin cycle, when a carbon atom from atmospheric carbon dioxide is added to a 5-carbon sugar.

D
Regardless if oxygen is present or not, the production of acetyl-CoA, the citric acid cycle, and electron transport chain follow in order.


SECOND QUESTION is the picture
here are the answer choices if you can only see the picture.

A. destroyed.
B. absorbed.
C. reflected.
D. converted to heat.

Answer 1

Answer:

For the first question the answer is B. For the second question the answer is C.

Explanation:

The first question: If oxygen is present, production of acetyl-CoA, the citric acid cycle, and electron transport chain follow in order. If no oxygen is present, either lactic acid fermentation or alcoholic fermentation follows.

The second question: Leaves appear green because the green portion of visible light that strikes them is reflected.

Hope this helps

-Amelia

Answer 2

• The best explanation on the steps following glycolysis is ; ( B ) If oxygen is present, production of acetyl-CoA, the citric acid cycle and electron transport chain follow in order. if no oxygen is present either lactic acid fermentation or alcoholic fermentation follows.
• The leaves in the picture appears green because the portion of visible light reflected is green ( C ).

Cellular respiration is a type of respiration ( metabolic pathway )that involves the breaking down of glucose into ATP. and it follows four ( 4 ) stages which are ;

• glycolysis,
• pyruvate oxidation,
• Krebs cycle,
• oxidative phosphorylation.

Glycolysis is the stage ( metabolic pathway) in cellular respiration when glucose is converted  into two molecules of pyruvate in the presence of oxygen  or  the conversion of glucose into two molecules of lactate if no oxygen is present during the process

Hence we can conclude that The best explanation on the steps following glycolysis is  If oxygen is present, production of acetyl-CoA, the citric acid cycle and electron transport chain follow in order. if no oxygen is present either lactic acid fermentation or alcoholic fermentation follows.

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