How Were the Internal Signals That Control the Transitions Between

question 47

Multiple Choice

How were the internal signals that control the transitions between stages of the cell cycle discovered?

• A) By looking at DNA sequences at different stages of the cell cycle
• B) By looking at RNA sequences at different stages of the cell cycle
• C) By fusing different cells together
• D) By examining changes in the mitotic spindle
• E) None of the above

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Definitions:

Muscular Contractions

The process where muscle fibers shorten or increase in tension, leading to movement or stabilization of body parts.

Hepatocyte

Liver cell.

Hepatocytes

The main type of cell found in the liver, responsible for the majority of metabolic, detoxification, and protein synthesis activities.

Synthesize Bile

The process of producing bile, a digestive fluid created by the liver, critical for the digestion and absorption of fats in the small intestine.