Cytotoxic T cells destroy their target cells by releasing perforin, which causes holes to form in
A. ribosomes.
B. DNA molecules.
C. lysosomes.
D. cell membranes.
Answer: D
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Fatty acids and many amino acids cannot be used for ________ because their catabolic pathways produce acetyl-CoA
A) glycolysis B) gluconeogenesis C) cellular respiration D) glycemia E) glycogenesis
In the procedure known as ________________________________________, the urinary bladder is visually examined using a fiberoptic instrument
Fill in the blank(s) with correct word
A disease that can be transmitted between animals and humans is called ________
Fill in the blank(s) with correct word
Proteins in the cell membrane that bind hormones and relay messages into the interior of the cell __________.
A)are known as carrier proteins B)are known as channel proteins C)perform a function known as signal transduction D)provide cell identification