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:

Dishabituation

A process in which a previously habituated response reoccurs, typically after the presentation of a novel stimulus.

Sensitization

An increased reaction to a stimulus following repeated exposures, leading to a heightened response.

Habituation

The process where an organism becomes less responsive to a stimulus after repeated exposure.

Behavioral Contrast

A phenomenon where the rate of response varies according to the reinforcement conditions of another behavior.