White blood cells play a particularly important role in ________
A) fighting infections
B) supporting the activity of red blood cells
C) carrying carbon dioxide
D) blood clotting
A
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A woman visits her doctor's office complaining of pattern baldness. Her mother and father do not have pattern baldness, but her brother does. The doctor is concerned that she may have the serious condition of _______, and he immediately orders blood tests to check her ________ levels.
A. tumor of the adrenal gland, 5-dihydrotestosterone B. tumor of the reproductive system, testosterone C. skin cancer, 2,5 alpha-reductase D. tumor of the adrenal gland, estradiol E. tumor of the reproductive system, 5-dihydrotestosterone
When genetic variation occurs among subpopulations of the same species, it is known as genetic ________
Fill in the blank(s) with correct word
T lymphocytes mature in the (bone marrow/lymph node/thymus)
What will be an ideal response?
In a disc diffusion assay, the zone of inhibition will be ________ for organisms more resistant to an antimicrobial agent
a. absent b. smaller c. larger d. yellow