Which of the following pairs is incorrectly
matched?
a. bran-seed coat
b. germ-embryo
c. starch-endosperm
d. all of these (a through c) are correctly
matched
e. all of these (a through c) are incorrectly
matched
D
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Coccidioides immitis is commonly found in
__________. a. southeastern U.S. b. southwest Canada. c. western Africa. d. southwest U.S. e. none of these.
An individual who is homozygous ________.
A) expresses the dominant trait B) carries two different alleles for a gene C) carries two copies of the same allele for a gene D) expresses the recessive trait
Two species of warblers colonize the same island habitat. Both species nest in similar locations and eat the same type of prey. Eventually, competition will probably cause one species to
A. migrate. B. speciate. C. grow exponentially. D. be eliminated.
What is the relationship between proto-oncogenes and oncogenes?
A) Oncogenes may develop into cancer-causing proto-oncogenes as a result of synergism. B) Oncogenes prevent proto-oncogenes from encoding proteins for cell division. C) Proto-oncogenes may develop into cancer-causing oncogenes as a result of mutations. D) Proto-oncogenes allow oncogenes to encode proteins that prevent cell division.