What are the products of beta oxidation?

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A. Glucose and ATP B. Acetyl CoA, NADH + Hâº, FADHâ‚‚ C. Fatty acids and glycerol D. CO₂ and Hâ‚‚O

Correct Answer: B

Rationale: beta oxidation products as Acetyl CoA, NADH + Hâº, and FADHâ‚‚ ; not glucose , components , or end products .

What is the most important long-term regulator of feeding behaviour and appetite?

A. Insulin B. Glucagon C. Leptin D. Ghrelin

Correct Answer: C

Rationale: leptin as the key long-term regulator ; insulin and glucagon are short-term, ghrelin stimulates hunger.

Andrea is flushed and her teeth are chattering even though her bedroom temperature is 72°F (22.22°C). Why do you think this is happening?

A. She's cold B. She has a fever C. She's exercising D. She's dehydrated

Correct Answer: B

Rationale: Andrea's symptoms (flushing, chattering) as fever from a raised hypothalamic set point ; not cold , exercise , or dehydration .

What is catabolism?

A. The building up of compounds B. The breaking down of compounds C. The conversion of energy to food D. The storage of compounds

Correct Answer: B

Rationale: Catabolism is the metabolic process that breaks down complex molecules into simpler ones, releasing energy.

What is the result of anabolic reactions?

A. The breaking down of compounds B. The building up of compounds C. The conversion of energy to waste D. The storage of energy

Correct Answer: B

Rationale: Anabolic reactions synthesize larger molecules from smaller ones, building compounds like proteins.

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