E. All of the choices are correct.
A. They are involved in cell motility.
B. They require ATP to work.
C. They are composed of microfilaments.
D. They require motor proteins to work.
E. They are composed of an internal structure called the axoneme.
C. They are composed of microfilaments.
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Plasma membranes are a feature of
A. all cells. B. prokaryotic cells only. C. eukaryotic cells only. D. plant cells only. E. animal cells only.
The Ames test is characterized by the use of
A) auxotrophic Salmonella typhimurium. B) heterotrophic monoploid yeast. C) autotrophic monoploid yeast. D) prototrophic Salmonella typhimurium. E) both choices A and C
A CD8+ T cell binds to an antigen only if this antigen
a. is in a complex with a class I MHC protein. b. is in a complex with a class II MHC protein. c. is in a complex with a class III MHC protein. d. is NOT in a complex with MHC proteins. e. is presented on the surface of a B cell.
Which provides a more stable genome, DNA or RNA?
What will be an ideal response?