Which of the following is not a greenhouse
gas?
a. methane
b. nitrogen gas
c. carbon dioxide
d. nitrous oxide
e. chlorofluorocarbon
B
Biology & Microbiology
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In a dihybrid cross of individuals who are AaBb, what proportion of the F2 offspring are expected to have the genotype AABB?
A) 9/16 B) 1/16 C) 1/2 D) 3/16 E) 6/16
Biology & Microbiology
Whether a neurotransmitter is inhibitory or excitatory depends on the type of receptor it binds to on the postsynaptic
neuron.
Indicate whether the statement is true or false.
Biology & Microbiology
Which structure grows faster than any other as the embryo develops?
a. the heart b. the nervous system c. the head d. the digestive system e. the urinary system
Biology & Microbiology
The building of complex organic molecules from simpler ones is called
a) catabolism. b) anabolism. c) photosynthesis. d) oxidation.
Biology & Microbiology