DNA polymerase
a. is an enzyme.
b. adds new nucleotides to a strand.
c. proofreads DNA strands to see that they are
correct.
d. derives energy from free nucleotides for
strand assembly.
e. is all of these
E
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In the Kinyoun acid-fast staining method, ______ replaces _____ in the primary stain solution
a. increased phenol; heat b. heat; increased phenol c. mycolic acid; heat d. carbolfuchsin; phenol
If while investigating spontaneous generation, Pasteur had his laboratory located in a stable
A. the results would, most likely, have supported the idea of spontaneous generation. B. the results would, most likely, have not supported the idea of spontaneous generation. C. this would have had no effect on his results. D. this would have shown his love of horses.
What would happen if the foramen ovale and ductus arteriosus failed to close?
1.The left side of the heart would serve no role.
2.No blood would go to the lungs.
3.The aorta would be damaged by the input of excessive blood.
4.The oxygen levels of the blood would drop.
_______ causes rhythmic contractions of cells in the mammary glands.
Fill in the blank(s) with the appropriate word(s).