Activated B lymphocytes that secrete antibodies are called ________.
A. T lymphocytes
B. plasma cells
C. macrophages
D. monocytes
Ans: B. plasma cells
Biology & Microbiology
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Sperm are produced in the ____
a. epididymis b. seminiferous tubules c. penis d. prostate gland e. vas deferens
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Four of the five choices listed below are functional
groups. Select the exception. a. steroid b. amino c. carboxyl d. hydroxyl e. aldehyde
Biology & Microbiology
What term applies to the physical and physiological changes experienced by astronauts who spend months in space?
A) acclimation B) adaptation C) camouflaging D) flagging
Biology & Microbiology
When a species consisting of a single large population slowly evolves over many generations into a new species, this an example of
A. synapomorphy. B. horizontal gene transfer. C. cladogenesis. D. anagenesis. E. monospeciation.
Biology & Microbiology