The SOS system repairs DNA that has gaps, breaks, and other lesions by

A) cutting DNA from other parts of the genome and pasting it into the gaps or damaged areas.
B) stabilizing single-stranded DNA until the next round of normal replication.
C) using specialized DNA polymerases that will synthesize a new DNA strand even if there is not a normal complementary DNA strand to act as a template.
D) using available mRNA and a special RNA-dependent DNA polymerase to fill in the gaps and replace damaged DNA.


Answer: C

Biology & Microbiology

You might also like to view...

What are the monomers of proteins?

A. Glucose B. Fatty acids C. Nucleic acids D. Amino acids

Biology & Microbiology

You are a microbiologist working for a pharmaceutical company and discover a new secreted metabolite that can serve as a medication. Your company asks you to oversee the production of the metabolite

Which of the following is something that is NOT important to consider if you need to grow 5,000 liter cultures of bacteria for the purpose of harvesting the metabolite they secrete? A. The death rate of the bacteria after stationary phase is complete. B. The ideal rate of input of new nutrients into the culture to maintain the cells in log phase. C. The ideal rate of pulling off some of the culture in order to maintain the cells in log phase. D. The best way to mix the large vat in order to keep it homogenous (constant throughout) in terms of nutrients, temperature, and oxygen levels. E. The best way to keep the pH of the entire mixture at the ideal level to promote log phase growth.

Biology & Microbiology

In general, control groups should be ________

a. older than the experimental group b. more fit than the experimental group c. more diverse than the experimental group d. as similar as possible to the experimental group

Biology & Microbiology

Use of a plasma membrane carrier protein to move a molecule or ion from a region of lower concentration to one of higher concentration; it opposes equilibrium and requires energy.

What will be an ideal response?

Biology & Microbiology