Evidence from yeast suggests that the maturation-promoting factor of sea urchins is
a. a cyclin.
b. MFP.
c. an S nuclease.
d. a Cdk.
e. a Cdk/cyclin phosphatase.
Ans: d. a Cdk.
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In graph (b) in the figure above, which of the following best explains the data given about Lotus corniculatus?
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The leading cause of pelvic inflammatory disease is ________.
A. gonorrhea B. Chlamydia infection C. genital herpes D. HIV infection E. syphilis
The hormone leptin is produced in ____________________ cells. Fill in the blank(s) with the appropriate word(s)
Which of the following is NOT true about enzymes?
a) They lower the activation energy of chemical reactions. b) They are consumed by the reactions they catalyze. c) Each one is specific to the particular substrate(s) to which it binds. d) They are usually made of amino acids.