Which is not an APC?
A) dentritic cells
B) macrophages
C) mature B cells
D) natural killer cells
E) None of the answers is correct; all of these are APCs.
Answer: D) natural killer cells
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When a plant cell is placed in a hypotonic solution, the cell wall prevents ____
a. plasmolysis b. diffusion c. active transport d. the cell from bursting e. the cell from shrinking
The force of the original vibrations entering the ear is amplified by the
a. organ of Corti. b. oval window. c. round window. d. Eustachian tube. e. semicircular canals.
Gene conversion results from
A. discontinuous replication. B. photoreactivation. C. mismatch repair. D. SOS repair. E. excision repair.
Genotypic sex determination does not in ________
A) mammals B) round worms C) reptiles D) flies E) birds