Which of the Following Is NOT True of a Myofibril

question 12

Multiple Choice

Which of the following is NOT true of a myofibril?

• A)Thin myofilaments consist of actin, troponin, and tropomyosin.
• B)Elastic filaments are composed of titin.
• C)Thick myofilaments consist of myosin.
• D)Myofibrils are composed of muscle fibers.
• E)All of these are true of myofibrils.

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Definitions:

Oxidation-Reduction Reactions

Chemical reactions involving the transfer of electrons between two substances, affecting the oxidation state of the reactants.

Polysaccharides

Large carbohydrates consisting of long chains of monosaccharide units bound together, serving as energy stores or structural components.

Monosaccharides

The simplest form of carbohydrates, consisting of single sugar molecules like glucose and fructose.

Anabolic Reaction

A metabolic pathway that constructs molecules from smaller units, usually requiring energy in the process, characteristic of synthesis in living organisms.