Which of the following foods is energy-dense?

If the diet contains precursor vitamin A, which of the following tissues can use it to form vitamin A?

a. Eyes b. Kidneys c. Adipose cells d. Intestinal cells e. Liver

Dietary supplements can be a source of nutrients and calories.

a. true b. false

DNA and RNA share a number of similarities, but they also differ in certain aspects of their structure. Which nitrogenous base is found in RNA but is not found in DNA?

A. uracil B. adenine C. thymine D. cytosine

Chyme is the

A. large particle that transports lipids throughout the bloodstream. B. semisolid liquid formed by the partial digestion of food in the stomach. C. organelle that maintains fluid balance within intestinal cells. D. material absorbed by lacteals that the liver must detoxify and excrete.