When ATP Releases Some Energy, It Also Releases Inorganic Phosphate

question 47

Multiple Choice

When ATP releases some energy, it also releases inorganic phosphate. What purpose does this serve (if any) in the cell?

• A)It is released as an excretory waste.
• B)It can only be used to regenerate more ATP.
• C)It can be added to water and excreted as a liquid.
• D)It can be added to other molecules in order to activate them.
• E)It can enter the nucleus to affect gene expression.

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Definitions:

Stethoscope

A medical instrument used to listen to the sounds generated inside the body, especially those from the heart and lungs.

Stroke Volume

The amount of blood ejected from the left ventricle of the heart with each contraction.

Intercalated Discs

Specialized structures in cardiac muscle cells that facilitate cell-to-cell communication and contraction through gap junctions and desmosomes.

Terminal Cisternae

Enlarged areas of the sarcoplasmic reticulum around the muscle's transverse tubules involved in calcium storage and release.