Anaphase
a. involves the lining up of the chromosomes
across the equatorial plate.
b. is the same in mitosis and meiosis I and II.
c. is initiated when the chromosomes begin to
move apart.
d. results in an unequal distribution of
chromosomes to the resulting cells.
e. does all of these.
Answer: c
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How were conditions on the early Earth of more than three billion years ago different from those on today's Earth? Unlike Earth today, early Earth _____
A) had an atmosphere rich in gases released from volcanic eruptions B) had an oxidizing atmosphere C) experienced little high energy radiation from the sun D) had an atmosphere with significant quantities of ozone
Which of the following taxa includes the largest amount of genetic diversity among plantlike organisms?
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When these enzymes bind to a restriction site, they cut the DNA molecule into two molecules.
A. polymerases B. ligases C. restriction enzymes D. helicases