Most (90 percent) of all cases of ____________________ cancer involve mutations of the MSH2 or
MLH1 genes, which destabilize the genome. Fill in the blank(s) with the appropriate word(s).
ANS: HNPCC-associated colon
Biology & Microbiology
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On average, humans differ by _____________________% of their genomic sequences
Fill in the blank(s) with correct word
Biology & Microbiology
Which hypothesis states that new species are prevented from entering a community by the existing
species?
a. equilibrium theory of island biogeography b. facilitation hypothesis c. inhibition hypothesis d. intermediate hypothesis e. tolerance hypothesis
Biology & Microbiology
Human immunodeficiency virus causes a(n):
A. Latent infection B. Acute infection C. Unapparent infection D. Weak infection E. Chronic or slow infection
Biology & Microbiology
Cytotoxic T cells are best characterized by the following cell-surface marker
A. CD4 B. CD8 C. CD3 D. CD2
Biology & Microbiology