Which of the Following Statements Is True

question 22

Multiple Choice

Which of the following statements is true?

• A) Electrons cannot continually orbit the nucleus of an atom in the space that exists between orbital shells.
• B) There is no specific energy level that is associated with a given orbital shell.
• C) If an electron jumps from an orbital shell to one that has a higher energy level, it remains in the higher-energy shell permanently.

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Definitions:

Polypeptides

Chains of amino acids linked by peptide bonds, serving as building blocks for proteins.

Binding Protein

A protein that transports, supports the activity of, or anchors other molecules, particularly hormones, drugs, or other proteins.

Lipid-Soluble

Refers to molecules capable of dissolving in fats, oils, and non-polar solvents, which allows them to easily pass through cell membranes.

Autocrine

A mode of hormone action where a cell secretes a hormone or chemical messenger that binds to autocrine receptors on the same cell, leading to changes in the cell.