The enzyme that helps pack DNA into the cell by coiling the DNA into a tight bundle is
A. DNA polymerase.
B. DNA helicase.
C. DNA gyrase.
D. primase.
E. DNA ligase.
Answer: C
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Cells destined to develop into muscle tissue are transplanted to an area where cells are destined to become epithelial cells. If these cells are under autonomous specification what will happen? The cells will
A. develop into muscle tissue. B. develop into epithelial tissue. C. develop into both muscle and epithelial tissue. D. not develop if transplanted. E. develop into connective tissue.
At night, assuming no artificial lights, primarily ____
a. Pr absorbs red light and is converted to Pfr b. Pr absorbs far-red light and is converted to Pfr c. Pfr absorbs red light and is converted to Pr d. Pfr absorbs far-red light and is converted to Pr e. Pfr is converted to Pr
Which proteins facilitate RNA polymerase binding at promoters?
What will be an ideal response?
Gas exchange in most land plants occurs through structures called
A) stomata. B) apical meristems. C) vascular tissue. D) cuticles.