Which of the Following Occurs During Anaphase A

question 29

Multiple Choice

Which of the following occurs during anaphase A?

• A)The spindle elongates.
• B)Kinetochores remain attached to shortening kinetochore microtubules.
• C)Chromosomes move to the spindle equator.
• D)The spindle poles move closer together.

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Definitions:

SA Node

The SA Node, or sinoatrial node, acts as the heart's natural pacemaker, generating electrical impulses that initiate the heartbeat.

Right Ventricle

One of the four chambers of the heart, responsible for pumping oxygen-depleted blood to the lungs.

Pulmonary Semilunar

Referring to the pulmonary semilunar valve, one of the heart's valves that prevents blood from flowing back into the right ventricle from the pulmonary artery.

Tricuspid

Referring to a valve in the heart that lies between the right atrium and the right ventricle, ensuring the flow of blood in one direction.