In E. coli, what is the function of DNA polymerase III?

A) to unwind the DNA helix during replication
B) to seal together the broken ends of DNA strands
C) to add nucleotides to the end of a growing DNA strand
D) to degrade damaged DNA molecules


C

Biology & Microbiology

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Which of the following statements about the loop of Henle is correct?

A. The thick segment of the ascending limb is impermeable to water. B. The descending limb actively transports electrolytes into the interstitial fluid. C. Water moves from the interstitial fluid into the descending limb of the loop of Henle. D. The filtrate is more concentrated when it leaves the loop of Henle than when it enters the loop. E. All of these answer options are correct.

Biology & Microbiology

Match the choice on the left with the choice on the right

A) spatial structure B) linear structure C) AMP D) monosaccharide E) adenine F) quaternary structure G) starch H) cytosine I) collagen J) amino acid K) enzyme L) steroids M) guanine 1) monomer of protein 2) polymer of glucose 3) pyrimidine 4) nucleotide 5) multimeric complex 6) Haworth projection 7) a fibrous protein

Biology & Microbiology

Which of the following is an active enzyme?

A) apoenzyme B) cofactor C) coenzyme D) holoenzyme E) subtrate

Biology & Microbiology

root induc-

What will be an ideal response?

Biology & Microbiology