Hairlike processes that project from epithelial cells are called:
A) centrioles.
B) flagellum.
C) nucleus.
D) cilia.
D
Explanation:
A) Centrioles are bodies in a cell which play a part in cell reproduction.
B) The flagellum is the tail of a sperm cell.
C) The nucleus is the center body of a cell that controls the cell.
D) Correct.
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A. bacteria because their cell walls remain relatively unchanged from generation to generation. B. fungi because several species of fungi are commensals therefore priming the immune response to readily produce antibodies to the new vaccine. C. helminths because they are large organisms and make for easy targets. D. prions because they are new microbe so there is much research effort to stop prion related diseases. E. viruses, particularly RNA viruses, because their cell receptors are unchanging and bind human cell receptors.
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A) Radiation and chemotherapy B) Compression of area vessels C) Tumor-related tissue necrosis D) Inappropriate hormone release
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Indicate whether the statement is true or false