Explain the Functional Significance of the T-Tubules of the Sarcolemma

question 17

Multiple Choice

Explain the functional significance of the T-tubules of the sarcolemma and the terminal cisternae of the sarcoplasmic reticulum.

• A)The increased surface of both structures increases the speed and efficiency with which the end-plate potential leads to sarcomere contraction.
• B)The abundance of each structure increases the rate of ATP production.
• C)The T-tubules and terminal cisternae enhance the chemical attraction between myosin and actin.
• D)The increased surface area provides space for more ligand gated ion channels, thus increasing the effectiveness of acetylcholine binding.

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Per-unit Burden

The financial impact or cost of a tax, fee, or regulation expressed on a per unit basis.

Tax

Compulsory contributions made to government revenues, levied by the government on workers' income and business profits, or added to the cost of some goods, services, and transactions.

Per-unit Burden

The tax cost to a buyer or a seller for each unit of a good or service, often used to analyze the effect of taxes on market equilibrium.

Tax

A financial charge or other levy imposed upon a taxpayer by a governmental organization in order to fund government spending and various public expenditures.