Cell Cycle Checkpoints

question 100

Multiple Choice

Cell cycle checkpoints:

• A)act as a brake on cell division if something is not right.
• B)provide opportunities to check if the cell has carried out steps necessary for cell division.
• C)can involve the protein p53.
• D)All of these choices are correct.

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Definitions:

Coriolis Effect

A deflection of moving objects when they are viewed in a rotating reference frame, often observed in the movement of air masses on Earth, influencing weather patterns and ocean currents.

Deflection

The change in direction of a wave or object due to a change in its medium or the presence of an obstacle.

Earth Rotation

The spinning of the Earth around its own axis, which takes approximately 24 hours to complete and results in day and night.

Nitrogenase Enzyme

An enzyme complex responsible for the reduction of atmospheric nitrogen to ammonia, a critical step in the nitrogen fixation process.