Substitution of one base pair for another in a coding region of a gene can result in a ____ mutation where the changed
codon specifies a different amino acid.
a. missense
b. chromosomal
c. frameshift
d. silent
e. nonsense
ANSWER: a
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A vector is
(a) an organism that causes disease. (b) a disease. (c) a substance that prevents disease. (d) an organism that transmits a disease causing organism.
Carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur may be considered
A. minor elements. B. major elements. C. neutral elements. D. acidic elements.
Having species within a community that are redundant with respect to ecosystem functions is called
the ____.
a. redundancy hypothesis b. ecosystem function hypothesis c. biological insurance hypothesis d. natural community hypothesis e. fungal take over hypothesis
An autoimmune disease in which the synovial membrane thickens and becomes inflamed is called:a
osteitis. b. osteoporosis. c. rheumatoid arthritis. d. osteoarthritis. e. osteon disease