If the Following Ions Ca₂+, NO₃-, Na+ and SO₄2- Are

question 69

Multiple Choice

If the following ions Ca₂+, NO₃-, Na+ and SO₄2- are placed in a test tube, the precipitate formed is ________.

• A) NaNO₃
• B) CaSO₄
• C) Ca(NO₃)2
• D) Na₂SO₄

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Definitions:

Calmodulin

Protein receptor for Ca2+ that plays a role in many Ca2+-regulated processes, such as smooth muscle contraction.

Steroid Hormones

Lipid-soluble molecules derived from cholesterol that regulate a variety of physiological functions including metabolism, inflammation, and sexual function.

Plasma Membrane

The lipid bilayer that surrounds a cell, controlling the passage of substances in and out of the cell.

Phosphodiesterase

Enzyme that splits phosphodiester bonds—that is, that breaks down cyclic AMP to AMP.