Which of the following lipids makes up most
of a plasma membrane?
a. phospholipids
b. cholesterol
c. triglycerides
d. steroids
e. more than one of these
A
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Enzymes function by
(a) being consumed (used up) in the reaction. (b) lowering the activation energy of a reaction. (c) combining with otherwise toxic substances in the cell. (d) adding heat to the cell to speed up the reaction
In a frog in which the diploid number of chromosomes per cell is 24, what is the total number of
chromatids present during Prophase I?
a. 0 b. 6 c. 12 d. 24 e. 48
Which of the following is not true of an
individual with complete androgen insensitivity syndrome? a. She has female genitalia. b. She has testes. c. She is XY. d. She does not have ovaries. e. All of these are true
Linus Pauling is credited with work that established ____________________ as the first "molecular
disease." Fill in the blank(s) with the appropriate word(s).