Bacteria use restriction enzymes to ____.

A. integrate viral DNA
B. destroy viral DNA
C. prevent mutation of their DNA
D. copy their genes
E. inhibit the expression of some of their genes


Answer: B

Biology & Microbiology

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The net result of electron transport is the generation of a pH gradient and an electrochemical potential across the membrane

Indicate whether the statement is true or false.

Biology & Microbiology

Which of the following RNA products are least likely to be synthesized by RNA polymerase II eukaryotic cells?

A. noncoding RNAs B. microRNA C. mRNA D. tRNA E. None of the choices given is a RNA polymerase II product.

Biology & Microbiology

The sum of genetic information (alleles) across all individuals in the population is referred to as the ________

Fill in the blank(s) with correct word

Biology & Microbiology

Nonfunctional product of oogenesis produced by the unequal division of cytoplasm in females during meiosis; in humans three of the four cells produced by meiosis are polar bodies.

What will be an ideal response?

Biology & Microbiology