Hi, I have a question on ATP that can have more than one answer possible. At whi

Question

Hi, I have a question on ATP that can have more than one answer possible.

At which point should ATP be used directly? Depolarization of a nerve cell End plate potential on a skeletal muscle cell To break apart actin and myosin bonds To create blood pressure in the left ventricle To cause the opening of a voltage-gated sodium channel To remove sodium from a cell after depolarization To move calcium from the sarcoplasmic reticulum to the sarcoplasm To move calcium from the sarcoplasm to the sarcoplasmic reticulum To remove calcium from binding to troponin C For a power stroke in skeletal muscle To move calcium into a nerve ending during synaptic transmission To remove calcium from the nerve ending after synaptic transmission For reuptake of neurotransmitter molecules like serotonirn Repolarization of a nerve cell

Explanation / Answer

Answer

ATP is directly used for following points

1.To break apart actin and myosin bond

2.To remove sodium from cells after depolarization

3.To move calcium from the sarcoplasm to the sarcoplasmic reticulum

4.To remove calcium from the nerve ending after synaptic transmission

5.For reuptake of neurotransmitter molecule like serotonin

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