Insulin is a product of the
A. pancreas.
B. stomach.
C. brain.
D. kidney.
E. liver.
A. pancreas.
Biology & Microbiology
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Racial differences in skin color are due to different people having different numbers of melanocytes.
a. true b. false
Biology & Microbiology
The interacting populations of all species within a habitat is a(n) ____
a. environmental system b. community c. biome d. ecosystem e. niche
Biology & Microbiology
The real power of DNA fingerprinting comes from simultaneously determining the alleles an individual carries at how many STR locations?
a) 3 b) 2 c) 23 d) 20 e) 13
Biology & Microbiology
Which substance is released by motor neurons to stimulate a contraction?
A) calcium B) acetylcholine C) dopamine D) myosin
Biology & Microbiology