The enzyme that helps pack DNA into the cell by coiling the DNA into a tight bundle is ________.
A. DNA ligase
B. DNA polymerase
C. DNA helicase
D. DNA gyrase
E. primase
Answer: D
Biology & Microbiology
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Scientists hypothesize that the massive Permian extinction was triggered by an asteroid impact
a. True b. False
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Which of the following is not involved in ensuring the accuracy of replication of a cell's genetic information?
A) redundancy of double-stranded DNA B) repair enzymes C) precision of replication machinery D) DNA polymerase proofreading mechanism E) restriction endonucleases
Biology & Microbiology
A drug that can create polyploids is known as ________
A) growth hormone B) astaxanthin C) colchicine D) arrestin E) carrageenan
Biology & Microbiology
Explain how the sexual life cycle of flowering plants is adapted to the terrestrial environment.
What will be an ideal response?
Biology & Microbiology