If bacteria are exposed to a B cell in the spleen, they will initiate a(n)
A) cell-mediated immune response.
B) response from the complement system.
C) inflammatory response.
D) humoral immune response.
E) nonspecific immune response.
Ans: D) humoral immune response.
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Antibodies consist of four polypeptides, ________ heavy chains, and ________ light chains
A) one / three B) two / two C) three / one D) four / four
A woman visits a doctor. After hearing her symptoms and running some blood work, the doctor determines that she has an under-active pineal gland. What were her likely symptoms?
A. insomnia (due to low melatonin levels) B. muscle soreness and inflammation (due to low cortisol levels) C. increased urination (due to high glucose levels) D. constipation (due to low gastrin levels)
Many species of ants "farm" aphids, protecting them from predation and collecting concentrated sugars (i.e. honeydew) from them. This type of ant/aphid relationship is known as
A. dispersive mutualism. B. defensive mutualism. C. parasitism. D. trophic mutualism. E. commensalism.
Amino acids are converted to substrates of the Citric acid cycle by (beta-oxidation/deamination/transamination).
Fill in the blank(s) with the appropriate word(s).