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You are more likely to seroconvert (become infected) from a needle stick contaminated with HIV than you are from one contaminated with Hep C.

In Arabidopsis, FLD (a deacetylase enzyme) stimulates flowering. Which of the following statements is TRUE?

Defects in DNA repair mechanisms can cause an individual to be susceptible to many different health conditions.

Which of the following enzyme activities play a role in nucleotide-excision repair? (Select all that apply.)

Eukaryotes don’t have operons, but multiple genes sometimes respond to the same stimulus because of similar promoter response elements.

A mutation that changes a GC base pair to AT is a(n):

Which of the following is a form of direct DNA repair?

Bacterial insertion sequences encode which of the following gene products?

_____ mutations produce new activities and are usually dominant.

When siRNAs are present, the rate of mRNA degradation _____ and the rate of protein production _____.