Question

Please help and explain answers!

1. In a series of chemical reactions, glucose is first converted into __________.

a) pyruvate

b) glycerol

c) acetyl CoA

2. In the process of glycose breaking down, hydrogen and electrons are carried by coenzymes made from the ___.

a) B vitamin biotin

b) B vitamin niacin

c) vitamin thiamine

3. In the Cori Cycle, the conversion of lactate to glycose by anaerobic glycolysis in the muscle requires energy from ___________.

a) acetyl CoA

b) ADP

c) ATP

4.While you are running and approaching your first mile, oxidation of free fatty acids is taking place at the cellular level, allowing you to continue running.

a) anaerobic metabolism

b) aerobic metabolism

c) lactic acid metabolism

5. Glucose cannot be made when amino acids are converted to

a) glucose

b) acetyl CoA

c) pyruvate

6. In the TCA cycle, some amino acids enter directly and, therefore, can continue in the cycle to generate energy and _________.

a) acetyl CoA

b) glucose

c) pyruvate

7. When ___(A)____ is available, the body can use ____(B)_____ and glycerol to make some non-essential amino acids.

A    B

1.nitrogen    1. acetyl CoA

2. oxygen 2. glucose

3. hydrogen 3. pyruvate

Answer 1

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