In PCR,heating of the DNA is necessary because:
A) it cuts the DNA into fragments small enough to be replicated.
B) it causes the primers to bind DNA.
C) DNA polymerases require high heat to work.
D) it separates the two strands of DNA.
Correct Answer:
Verified
Q23: What distinguishes an embryonic stem cell from
Q24: In reproductive cloning,a sperm is not used,but
Q25: What is a clone?
A)any cell that contains
Q26: Cells that can give rise to more
Q27: Embryonic stem cells are taken from:
A)blastocysts.
B)adult tissues.
C)eggs.
D)iPS
Q29: What is the advantage of implanting iPS
Q30: How similar to the donor would a
Q31: Why is PCR useful?
A)It allows fragments of
Q32: By inserting four developmental genes into ordinary
Q33: Stem cells are said to be pluripotent.This
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