Why Is ATP an Important Molecule in Metabolism

question 46

Multiple Choice

Why is ATP an important molecule in metabolism?

• A) It is one of the four building blocks for DNA synthesis.
• B) Its terminal phosphate group contains a strong covalent bond that, when hydrolyzed, releases free energy.
• C) Its hydrolysis provides an input of free energy for exergonic reactions.
• D) It provides energy coupling between exergonic and endergonic reactions.
• E) Its terminal phosphate bond has higher energy than the other two phosphate bonds.

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Definitions:

True Scores

In psychometrics, the scores that would be obtained with no measurement error, representing the actual level of the attribute being measured.

Measuring Instrument

A device used for obtaining quantitative information about a physical quantity by comparing it to a standard or through calibration.

Coefficient Alpha

A measure of the internal consistency or reliability of a psychometric test score for a sample of examinees.

Average Interitem Correlations

A statistic used to measure the consistency of responses among related items on a questionnaire or test, indicating the scale's internal reliability.