Physiology Quiz 2

The sum of the body’s chemical reactions is known as:

metabolism

The breakdown of carbohydrates into glucose in the body is classified as:

catabolism

What do endergonic reactions require?

energy

Protein catabolism results in:

amino acids

When electrons are lost from one substance, they are transferred to another molecule in reactions known as:

oxidation-reduction reactions

True
Under anaerobic conditions, what happens to pyruvate?
Pyruvate is reduced to lactate.
Which of the following is NOT true of glycolysis?
Four molecules of NADH are spent.
Carbon dioxide results from the loss of carbons during:
the citric acid cycle.
What molecule is both the starting compound and end result of the citric acid cycle?
oxaloacetate
If oxygen was NOT available as the final electron acceptor in the electron transport chain, which cellular respiration product could not be made?
water
What part of a triglyceride undergoes β-oxidation?
fatty acids
Kidney failure can lead to a build-up of a product of transamination in the blood. Which of the following would you expect to remain in the blood rather than be released into the urine?
ammonia
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