Small foreign molecules that are too small by themselves to elicit an immune response are termed ________.
A. variable regions
B. haptens
C. epitopes
D. antigen binding sites
Answer: B
Biology & Microbiology
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Erythropoietin from the kidneys stimulates production of ________ .
a. glucagon b. insulin c. gastrin d. T cells e. red blood cells
Biology & Microbiology
Outbreaks of the dinoflagellates Pfesteria has been attributed to:
a. septic tank overflows. b. agricultural runoff. c. oil pollution. d. carbon emissions. e. urban runoff.
Biology & Microbiology
Which of the following is an example of a mutagen?
A.) repair enzyme B.) triglyceride C.) UV sunlight D.) thymine
Biology & Microbiology
What happens during translation?
a. copies of DNA molecules are made b. The cell uses a mRNA code to make proteins c. Messenger RNA is made from a DNA code d. tRNA is made from a mRNA code
Biology & Microbiology