Approximately, how many distinct synapses are established on the dendrites and cell body of a motor neuron in the spinal cord?
(a) tens
(b) hundreds
(c) thousands
(d) millions
(c)
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The process that probably accounts for most changes in the mix of alleles in a gene pool is
a. cloning. b. mitosis. c. meiosis. d. natural selection. e. genetic drift
A condition in which the male penis cannot beome erect and remains flaccid is called _____.
A) Sterility B) Spermatogenesis C) Prostate condition D) Erectile dysfunction
A patient with joint pain was sent to the hospital for lab work. The results showed significant over activity of her
immune system. Based on these results, the most likely diagnosis is ____. a. osteoarthritis b. vitamin D deficiency c. growth hormone deficiency d. rheumatoid arthritis e. osteoporosis
Human blood types follow which of the following inheritance patterns?
a. dominance and codominance b. dominance and incomplete dominance c. codominance d. incomplete dominance