A molecule is

A. a substance that conducts electricity when placed in solution.
B. a positively charged ion.
C. an alteration in the three-dimensional structure of a protein.
D. a combination of atoms held together by chemical bonds.
E. a negatively charged ion.


D

Anatomy & Physiology

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Which of the following statements correctly describes fatty acids?

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Which part of the vertebrae bears the most weight?

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Approximately what percentage of oxygen is transported in the blood bound to Hb?

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