Practice Quiz Q's Chapter 25

In order for glycolysis to proceed, which of the following need not be present?

acetyl CoA

Metabolism of amino acids in the citric acid cycle yields

approximately the same energy as carbohydrate metabolism.

The lipoproteins that carry absorbed lipids from the intestinal tract to the bloodstream are

chylomicrons

Oxygen is an important molecule in which of the following?

citric acid cycle and ETS

How many net ATP molecules are produced by the complete metabolism (all pathways) of one glucose molecule?

36

What percent of energy released from catabolism is lost as heat?

60

Lipogenesis generally begins with

Acetyl CoA

Which of the following statements regarding brown fat is false?

Brown fat is concentrated around visceral organs in the adult.

________ carry excess cholesterol from peripheral tissues to the liver.

High-density lipoproteins (HDLs)

The citric acid cycle

begins with the formation of a molecule of citric acid.

During the postabsorptive state, ________ stimulate(s) lipid catabolism.

glucocorticoids

All of the following occur during the postabsorptive state except that

levels of blood glucose are elevated.

Urea is formed in the

liver

During the absorptive state,

the liver forms glycogen