Flagella move:
A. in an oarlike motion by the motor protein
dynein sliding microtubules past each other.
B. in an oarlike motion by the motor protein
kinesin sliding microtubules past each other.
C. in a whiplike motion by the motor protein
dynein sliding microtubules past each other.
D. in a whiplike motion by the motor protein
kinesin sliding microtubules past each other.
E. in a whiplike motion by the motor protein
dynein sliding microfilaments past each other.
C
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The African emergence model is supported by
evidence from a. the fossil record. b. DNA sequencing data from mitochondria. c. DNA sequencing data from chromosomes. d. global climate change patterns. e. all of these.
When endocytosis brings organic matter into the cell, the process is called
a. simple diffusion. b. bulk flow. c. osmosis. d. phagocytosis. e. facilitated diffusion
The somatic subdivision of the vertebrate nervous system would innervate which of the following?
a. intestinal muscles b. liver c. heart d. pancreas e. skeletal muscles
In Figure 22-2, representatives of hominoids include all of the following except:
a. 1 thru 3.
b. 1 thru 5.
c. 1 thru 6.
d. 1 thru 7.
e. All listed groups are hominoids.