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Anna35 [415]
3 years ago
13

Which of the following statements regarding glycolysis is FALSE?

Biology
1 answer:
Levart [38]3 years ago
6 0

Answer:

c. Glycolysis evolved in an oxygen-rich environment.

Explanation:

Glycolysis is the pathway that breaks down glucose into two molecules of pyruvate. It is a common pathway that is performed by both aerobic and anaerobic organisms. In aerobic organisms, glycolysis is followed by Kreb's cycle and electron transport chain. In anaerobic organisms, alcohol or lactic acid fermentation regenerate the NAD+ which is required to sustain glycolysis.

Therefore, glycolysis is independent of oxygen availability and can be performed under both aerobic and anaerobic conditions. This means that the pathway of glycolysis evolved under anaerobic conditions.

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Most animals living in the _________ rest during the day and are more active at night.
jolli1 [7]

Answer:

desert

Explanation:

4 0
2 years ago
Which enzyme(s) involved in fatty acid synthesis utilize ATP? Select all that apply.
GREYUIT [131]

Answer:

a. Acetyl CoA carboxylase  

Explanation:

Much of the fatty acids used by the body is supplied by the diet, excessive amounts of carbohydrates and protein obtained from the diet can be converted to fatty acids and stored as triglycerides. Fatty acid synthesis occurs mainly in the liver and mammary glands, and to a lesser extent in adipose tissue and kidney, the process incorporates acetyl CoA carbons into the forming fatty acid chain using ATP and NADPH.

The acetyl portion of acetyl CoA is transported to cytosol as citrate, produced by condensation of oxaloacetate and acetyl CoA, the first reaction of the citric acid cycle, this occurs when the concentration of mitochondrial citrate is high, observed when there is a high concentration of ATP and isocitrate dehydrogenase is inhibited.  The increase of citrate and ATP favors the synthesis of fatty acids, since this pathway needs both. Acetyl CoA should be converted to malonyl CoA. Carboxylation is catalyzed by acetyl CoA carboxylase and requires ATP, this reaction is the regulated step in fatty acid synthesis: it is inactivated by products, malonyl CoA and palmitoyl CoA, and activated by citrate, another regulatory mechanism is reversible phosphorylation of enzyme, which makes it inactive due to the presence of adrenaline / glucagon

6 0
3 years ago
What change to the following molecule's structure would result in a saturated fat?
NemiM [27]

Answer:

It needs to gain a Hydrogen atom to eliminate the double bond between the two carbons.  

Explanation:

Unsaturated fat has one or more double bonds in its molecule. Saturated fat has a single bond. If you want an unsaturated fat to become saturated it needs to gain more more hydrogen atoms which will eliminate the double bonds between carbons of the unsaturated fat.

Hope this helped :)  

4 0
2 years ago
Which of the following is a basic requirement for evolution by natural selection to work? A. Individuals must reproduce at a rap
mina [271]

Answer:

d

Explanation:

8 0
2 years ago
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Elements in the environment that could cause trouble for the business are
AlladinOne [14]

Answer:

Invasive plants, storms, and natural disasters.

Explanation:

hope this helps :3

7 0
3 years ago
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