What is the role of the M checkpoint in the cell cycle? (2023)

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Question: What is the role of the M checkpoint in the cell cycle? (2023)

Options:

Correct Answer: To ensure chromosomes are properly aligned

Exam Year: 2023

Solution:

The M checkpoint ensures that all chromosomes are properly aligned at the metaphase plate before the cell proceeds to anaphase.

What is the role of the M checkpoint in the cell cycle? (2023)

What is the role of the M checkpoint in the cell cycle? (2023)

Step 1: Understand that the cell cycle is the process by which a cell grows and divides.
Step 2: Identify that the M checkpoint occurs during the M phase, which includes mitosis (cell division).
Step 3: Recognize that the M checkpoint specifically checks if all chromosomes are lined up correctly in the middle of the cell (this area is called the metaphase plate).
Step 4: Know that if the chromosomes are not properly aligned, the cell will not move to the next phase (anaphase) until they are correctly positioned.
Step 5: Conclude that the M checkpoint is important for ensuring that each new cell gets the right number of chromosomes.

No concepts available.