Fats that your body cannot make are called____
a. essential fatty acids
b. triglycerides
c. phospholipids
d. saturated fats
e. sterols
ANSWER: a
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tissue consists of interacting cells and
a. blood cells. b. pigmented skin cells. c. extracellular substances. d. nerve cells. e. none of these.
How does azidothymidine (AZT) fight AIDS?
A) It blocks the virus from entering the cell. B) It targets the virus for destruction. C) It blocks the enzyme that converts viral RNA to DNA. D) It blocks the enzyme that assembles all of the parts into new viruses.
What are the functions of the large intestine?
A) produce digestive enzymes B) forms feces C) absorb water D) absorb some vitamins E) produce bile
Which structures are found along lymphatic vessels but are heavily clustered in the armpit, groin, and neck?
A. spleen B. lymph nodes C. galt D. thymus E. tonsils