The number-one risk factor for sudden infant death syndrome (SIDS) is
a. an infant lying on their back.
b. breast feeding an infant.
c. premature feeding of solid foods.
d. exposure to tobacco smoke.
e. holding the infant.
D
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What technique is used to separate cellular proteins for analysis?
A. Western blots B. Antibody microarrays C. Two-dimensional gel electrophoresis D. Functional protein microarrays
The four nitrogen bases found in RNA are
A. adenine, thymine, guanine, and uracil. B. adenine, cytosine, guanine, and uracil. C. adenine, thymine, cytosine, and uracil. D. thymine, cytosine, guanine, and uracil. E. None of the answer choices is correct.
Most digestion take place in the
a. stomach. b. small intestine. c. large intestine. d. stomach and small intestine equally. e. small and large intestine equally
Hydrogen bonding is strongest between ____
a. adenine and guanine b. uracil and thymine c. guanine and uracil d. adenine and thymine e. cytosine and guanine