Knowledge of the Cell Cycle Has Led to Improved Means

question 56

Multiple Choice

Knowledge of the cell cycle has led to improved means of treating cancer.The drug 5-fluorouracil,which blocks the synthesis of the nucleic acid thymine,inhibits initiation of the cell cycle stage

• A) G1.
• B) G2.
• C) S.
• D) prophase.
• E) metaphase.

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Definitions:

Signaling Molecules

Chemicals that are used by cells to communicate with each other, often responsible for transmitting signals from one cell to another across distances.

Modify Behavior

The process of changing an individual's actions or reactions to achieve a desired effect, often through learning or adaptation.

Secreted

Secretion is the process by which substances are produced and discharged from cells or glands, often for a particular function in the body or plant.

Farsightedness

A common vision condition where distant objects are seen more clearly than close ones, also known as hyperopia.