What is the role of cytokines in cell reproduction?
a. Provide growth factor for tissue growth and development.
b. Block progress of cell reproduction through the cell cycle.
c. Restrain cell growth and development.
d. Provide nutrients for cell growth and de-velopment.
ANS: A
Cytokines play a major role in the regulation of tissue growth and development but do not re-strain it. Cytokines help overcome intracellular braking mechanisms that restrain cell growth and promote cell growth, but they do not provide nutrients.
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Indicate whether the statement is true or false
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