The glottis is ____ when swallowing and ____ when speaking.
A. closed; open
B. open; closed
C. rigid; relaxed
D. relaxed; rigid
E. vibrating; closed
Answer: A
Biology & Microbiology
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A type II diabetic ____
a. requires insulin injections b. produces too much glucagon c. is usually under-weight d. is insulin resistant e. is usually hypoglycemic
Biology & Microbiology
Chromosomes are made of a combination of DNA, carbohydrate, and lipid molecules.
a. true b. false
Biology & Microbiology
From an evolutionary standpoint, which of the following structures is considered the oldest, most primitive division of the brain?
A) forebrain B) midbrain C) hindbrain D) cerebrum E) corpus callosum
Biology & Microbiology
The shape of the bill on the bird in Figure 37-2 is most likely the result of:
a. coevolution.
b. pollination.
c. asexual reproduction.
d. pseudocopulation.
e. inbreeding.
Biology & Microbiology