Mutations that directly affect the sequence of a protein must occur in __________
a. introns
b. exons
c. the branch point sequence
d. regulatory regions
e. the 5? end of the DNA template
Ans: b
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The sugar found in DNA is a(n) ____________________
Fill in the blank(s) with correct word
Some algae utilize calcium carbonate to:
a. deter herbivores. b. aid in maintaining a proper pH balance. c. assist in photosynthesis. d. replace mucus. e. prevent from freezing.
Club mosses, spike mosses, and quillworts are members of this phylum
a. Hepatophyta b. Pterophyta c. Bryophyta d. Lycophyta e. Anthocerophyta
During the mating season, male stickleback fish will respond to clay models with red bellies. The red belly
A. is a sign stimulus. B. results in an operant conditioning response. C. is a fixed action stimulus. D. is an innate releasing stimulus.