The occurrence of multiple alleles at a specific locus is called
A) signal transduction.
B) the variable domain.
C) polymorphism.
D) allelic exclusion.
Answer: C
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Autophagy is a process whereby the cell removes worn out cellular components.
a. true b. false
During the preparation of a human genomic library, plasmids containing human DNA fragments are
inserted into:a. compatible human cells. b. an antibiotic-resistant strain of E. coli to protect the inserted fragments. c. antibiotic-sensitive E. coli cells that become antibiotic-resistant if transformed. d. bacteriophages. e. mRNA molecules.
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A) bubonic plague B) tularemia C) Pontiac fever D) trench fever E) brucellosis