Which of the following does NOT influence the pH
of extracellular fluids?
a. respiration
b. a high protein diet
c. bicarbonate ions
d. filtration by glomerulus
e. phosphate and ammonia ions
Answer: d
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a. 1/2 b. 1/4 c. 3/4 d. 1/8 e. 0
The EBV antigen fragments will be presented by the virus-infected cells along with _____
A) a complement B) antibodies C) class I MHC molecules D) class II MHC molecules
"Bt cotton" refers to cotton that:
A) is resistant to herbicides. B) is resistant to insect pests. C) has been infested with insect pests. D) is resistant to Bacillus thuringeniensis.
Which of the following secretes erythropoietin?
A. heart B. thalamus C. thymus D. kidney E. small intestine