What Is the Role of Tropomyosin in Skeletal Muscles

question 49

Multiple Choice

What is the role of tropomyosin in skeletal muscles?

• A) Tropomyosin serves as a contraction inhibitor by blocking the actin binding sites on the myosin molecules.
• B) Tropomyosin is the chemical that activates the myosin heads.
• C) Tropomyosin is the receptor for the motor neuron neurotransmitter.
• D) Tropomyosin serves as a contraction inhibitor by blocking the myosin binding sites on the actin molecules.

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Definitions:

Straight-Line Method

A method of calculating depreciation of an asset by evenly spreading the cost over its useful life.

IFRS

International Financial Reporting Standards, a set of accounting standards developed by the International Accounting Standards Board (IASB) that are globally accepted.

Depreciation Expense

The allocation of the cost of a tangible asset over its useful life, reflecting wear and tear, deterioration, or obsolescence.

Straight-Line Method

A depreciation technique that allocates an equal portion of the cost of an asset to each year of its useful life.