Question

What’s wrong with this?

1. During the fasting phase, the central nervous system is using glucose and amino acids for energy.

2. The chief substrate for gluconeogenesis during the fasting state is ketones.

3. Liver glycogen is highest during the starvation state.

4. Large amounts of ketones in the blood indicates metabolism of glucose.

5. The red blood cells need to always use glucose for energy because they do not contain a nucleus.

6. Red blood cells always make ATP via aerobic metabolism

7. Insulin levels are likely to be high during the postabsorptive phase.

8. The chief substrate for gluconeogenesis during the fasting state is glycerol from fat mobilization.

9. The largest loss of urinary nitrogen is associated with the post-absorption phase.

10. NADPH + H needed for fatty acid synthesis in the starvation phase.

11. The TCA cycle can best be described as catabolic.

12. Ketones are made from glucose.

13. During the starvation phase the primary substrate for gluconeogenesis is acetyl CoA.

14. The most gluconeogenic amino acid is leucine.

Answer 1

Answer: The following statements among the given statements are wrong.

1) Liver glycogen is highest during the starvation state.

Correct is. Glycogen in liver is utilized during starvation stage so its amount be decreased or nil.

2) Red blood cells always make atp via aerobic metabolism

Correct is. Red blood cells make atp by fermentation.

3)Ketones are made from glucose.

Correct is. Ketone bodies are made from fatty acids and amino acids.

4) During starvation phase the primary substrate for gluconeogenesis acetyl coA

Correct is. During starvation phase the primary substrate for gluconeogenesis is amino acids

5)The most glyconeogenic amino acid is leucine.

Correct is. Leucine is non glycogen amino acid.