Any cell can present an antigen on a class II major histocompatibility complex (MHC) protein.
a. true
b. false
Answer: b. false
Biology & Microbiology
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Males have little influence on population growth in populations with ____
a. more males than females b. more females than males c. equal numbers of females and males d. one male e. animals that form lifelong pairs
Biology & Microbiology
Semen contains
a. sperm. b. the secretions of sex accessory glands. c. eggs. d. both a and b.
Biology & Microbiology
In lakes and ponds, photosynthesis occurs primarily in the
A) benthic zone. B) profundal zone. C) limnetic zone. D) lotic zone.
Biology & Microbiology
Taxonomy is
A.) the science of naming and classifying organisms B.) the sequence in which different groups evolved C.) the evolutionary history of a species D.) the study of life
Biology & Microbiology