The amount of ________ is fairly constant throughout the cell cycle, but the amount of ________ varies

A. cyclins; cyclin-dependent kinases
B. DNA; cyclins
C. cyclin-dependent kinase; DNA
D. cyclins; DNA


D

Biology & Microbiology

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Maternal-effect genes:

A. are expressed by the mother. B. affect maternal phenotype. C. affect offspring phenotype. D. are expressed by the mother and affect maternal phenotype. E. are expressed by the mother and affect offspring phenotype.

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What is responsible for the large surge of progesterone in the menstrual cycle?

a. the maturation of the follicle b. the surge in estrogen c. the surge in LH d. the release of the egg e. the formation of the corpus luteum

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What is the function of an enzyme?

What will be an ideal response?

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During open-heart surgery, the first heart structure that would be cut into is the ________.

A. pericardium B. right ventricle C. left atrium D. left ventricle E. myocardium

Biology & Microbiology