Match each of the proteins involved in DNA replication with its function
a. DNA helicase
b. Topoisomerase II
c. Single-stranded binding proteins
d. DNA polymerase
_____ Attaches DNA nucleotides to an RNA primer
_____ Unwinds the DNA duplex
_____ Relieves the stress on the replication fork caused by unwinding
_____ Proofreads the growing DNA strands and replaces mismatched nucleotides
_____ Prevents strands of DNA from rejoining after being unwound
What will be an ideal response?
d Attaches DNA nucleotides to an RNA primer
a Unwinds the DNA duplex
b Relieves the stress on the replication fork caused by unwinding
d Proofreads the growing DNA strands and replaces mismatched nucleotides
c Prevents strands of DNA from rejoining after being unwound
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Vincristine is a cancer chemotherapy drug. It binds to tubulin dimers, inhibiting assembly of microtubules. Where do you predict that vincristine stops the cell cycle?
A. S phase B. Prophase C. Metaphase D. Telophase
The movement of NH4+ ions into a cell down an electrochemical gradient created by H+ pumping is an example of
____.
a. an ion pump b. passive diffusion c. facilitated diffusion d. secondary active transport e. passive transport
To estimate population size using the mark-release-recapture method, ____ samples must be captured
a. 1 b. 2 c. 3 d. 4 e. 5
What is meant by the term pseudogene?
What will be an ideal response?