Painful and reoccurring genital blisters are characteristic of
A) genital herpes.
B) syphilis.
C) chlamydia.
D) HPV.
E) HIV.
A
Biology & Microbiology
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Ultraviolet light damages DNA by causing
A) purine rings. B) strand breaks. C) thymine dimers. D) radioactivity.
Biology & Microbiology
The series of events during which a newly formed cell grows and divides is ____
a. the cell cycle b. reproduction c. meiosis d. M phase e. S phase
Biology & Microbiology
What type of channel opens in response to changes in ionic charge across a membrane?
a. an electric-gated channel b. a charge-gated channel c. a ligand-gated channel d. a voltage-gated channel
Biology & Microbiology
How many potential reading frames are there in a 1500-bp segment of double-stranded DNA?
A) 4 B) 6 C) 5 D) 1 E) 2
Biology & Microbiology