Chromatids separate during
a. prophase.
b. telophase.
c. cytokinesis.
d. anaphase.
a
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Five two-point crosses involving the four linked genes A, B, C, and D were performed in yeast with the following results:
AB × ab: 41% AB 39% ab 9% Ab 11% aB AC × ac: 45% AC 48% ac 4% Ac 4% aC BC × bc: 44% BC 44% bc 6% Bc 6% bC AD × ad: 48% AD 46% ad 3% Ad 3% aD BD × bd: 37% BD 37% bd 12% bD 13% Bd Which is the best map for these four genes? A. B 6mu A 4mu C 3mu D B. B 12mu C 8mu A 6mu D C. D 3mu A 4mu C 6mu B D. A 4mu C 6mu B 12mu D E. The data suggest that the genes are not linked.
The reaction phosphoenolpyruvate + ADP ? pyruvate + ATP (? G = -7.5 kcal/mole)
A. is not spontaneous. B. involves the transfer of a phosphate to phosphoenolpyruvate. C. involves the transfer of energy from ATP to phosphoenolpyruvate. D. is an endergonic reaction. E. is an exergonic reaction.
Endospores of certain bacterial species can enter tissues in the human body, germinate, and cause an infectious disease.
Answer the following statement true (T) or false (F)
What compounds were used in Miller and Urey's experiment to simulate the atmosphere of early Earth?
A) Oxygen, ammonia, hydrogen, and methane B) Ammonia, hydrogen, and carbon dioxide C) Water, oxygen, ammonia, and methane D) Water, oxygen, hydrogen, and methane E) Water, ammonia, hydrogen, and methane