During PCR, where does the energy come from that adds the nucleotide to the growing DNA strand?
A. Taq polymerase
B. the primers
C. from the elevated temperature that you are
subjecting the reaction mix to
D. the incoming nucleotides
E. ATP
D
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Which genome editing tool is most versatile and easy to use?
A) TALEN technology B) Zinc finger nuclease technology C) CRISRP-Cas9 system D) Homologous recombination
Oyster reefs are usually oriented at right angles to the currents in estuaries. How do you think this could be an advantage to the oysters living in this community?
What will be an ideal response?
Bone mass typically increases until we turn
a. 10. b. 15. c. 25. d. 35. e. 45
One method for detecting tumors in body tissue involves the use of radioactive materials to create three-dimensional images showing metabolic activity of a specific tissue. This technique is referred to as
A) magnetic resonance imaging. B) positron-emission tomography. C) mammography. D) electrophoresis. E) photodynamic therapy.