Cellular (cell-mediated) immunity is effective against __________.
A. allergens
B. venoms
C. cancer cells
D. extracellular viruses
E. toxins
C. cancer cells
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Cholinergic synapses release the neurotransmitter
A) norepinephrine. B) adrenalin. C) serotonin. D) acetylcholine. E) GABA.
The "S" in SOAP stands for __________
Fill in the blank(s) with correct word
Which statement is correct?
a. An XY combination of sex chromosomes is a genetic male. b. The secretion of testosterone by the fetal gonads induces the development of male external genitalia and reproductive tract. c. The secretion of estrogen by the fetal gonads induces the development of female external genitalia and reproductive tract. d. Both a and b e. All of the above
Channels
A) attach the plasma membrane to other structures in the cell. B) are detected by immune cells. C) have enzymatic functions. D) transport solutes across plasma membrane. E) permit the passage of water and small solutes.