The active site of DNA polymerase is similar in ____
a. archaea and bacteria only
b. archaea, bacteria, and eukaryotes
c. archaea and eukaryotes only
d. none of these groups
e. bacteria and eukaryotes only
ANSWER: b
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A bacterial cell that is bio- met- leu+ thr- thi+ is infected by a virus carrying bacterial DNA containing
bio+ met+ leu- thr- thi+. If all five genes from the virally transduced DNA are recombined into the recipient cell, what kinds of nutrients will the resulting cell still require from the medium in order to grow?
What will be an ideal response?Which two parameters measure ecosystem changes?
a. resistance and resilience b. resistance and equilibrium c. biomagnification and resilience d. gross primary productivity and net primary productivity
Which of the following correctly represents length of axons found in humans?
a. 0.1 to 1 mm b. 1 to 10 mm c. 1 mm to 10 cm d. 1 mm to 1 m e. over 1 m
A phospholipid has what regions?
What will be an ideal response?