Match Each Molecule with Its Description

question 16

Multiple Choice

Match each molecule with its description.
-myosin

• A)molecules that form a twisted double helix that makes up most of the thin filaments
• B)neurotransmitters involved in muscle cell contraction
• C)molecules that block the crossbridge binding sites when the muscle is not contracting
• D)molecules that make up thick filaments
• E)molecules that bind to Ca²⁺, change their shape, and then uncover the crossbridge binding sites

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Definitions:

Tristearin

An ester derived from glycerol and stearic acid, commonly found in fat and oils, representing a triglyceride.

Aqueous Sodium Hydroxide

A solution of sodium hydroxide (NaOH) in water, commonly used as a strong base in chemical synthesis and reactions.

Tristearin

A triester derived from glycerol and stearic acid; it's a fat commonly found in animal and vegetable fats.

Aqueous Solution

A solution in which water is the solvent and can dissolve a variety of solutes, both ionic and molecular.