Amino acids are needed to build ________, just as ________ are needed to create DNA.
a. fats; sugars
b. fatty acid; hydroxides
c. RNA; glucose monomers
d. polysaccharides; carboxyl
e. protein; nucleotides
Answer: e. protein; nucleotides
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If the probability of X occurring is 1 in 4, and the probability of Y occurring is 1 in 5, the probability
of both occurring is
a. (1/4)2 + (1/5)2 = (1/16) + (1/25) = (25/400) + (16/400) = 41/400. b. (1/4) + (1/5) = (5/20) + (4/20) = 9/20. c. (1/4)2(1/5)2 = (1/16)(1/25) = 1/400. d. (1/4)(1/5) = 1/20. e. (1/4 + 1/5)2 = (5/20 + 4/20)2 = (9/20)2 = 81/400.
Which components form the structure of the plasma membrane?
A) a single layer of proteins B) a single layer of lipids with proteins embedded in it C) a double layer of proteins D) a double layer of lipids with proteins embedded in it
Prevention of eating disorders might include any of the following EXCEPT
Select one: a. discourage dieting. b. teach normal, healthy approach to eating and nutrition. c. encourage eating in relation to hunger and satiety cues. d. weighing often.
Transgenic animals
A. will pass the genes on to their offspring. B. are often obtained from germ line engineering. C. commonly include mice. D. can be engineered to become factories for manufacturing proteins. E. All of these choices are correct.