Which of the following is NOT an enzyme?
a. amylase
b. bile
c. lipase
d. pepsin
e. trypsin
B
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Which of the following could be a potential consequence of unchecked human population growth?
a. famine in areas that are densely populated b. drought in areas that are sparsely populated c. fewer diseases in densely populated areas d. enhanced resource availability in populated areas
During forced inhalation, the __________ intercostal muscles contract, moving __________ upward
a. internal; the diaphragm b. internal; the ribs c. external; the diaphragm d. external; the ribs e. external; both the diaphragm and the ribs
The process by which homologous chromosomes exchange genetic material
a)is crossing over. b)is random fertilization. c)occurs only in bacteria. d)occurs only in animals. e)is independent assortment.
What is the order of the three main steps in a PCR?
A) denaturation, annealing primers, elongation B) denaturation, elongation, annealing primers C) annealing primers, denaturation, elongation D) elongation, annealing primers, denaturation