The Sarcoplasmic Reticulum of Skeletal Muscle

question 18

Multiple Choice

The sarcoplasmic reticulum of skeletal muscle

• A) sequesters Na⁺ ions
• B) possesses voltage-gated K⁺ channels
• C) is depolarized by T tubules
• D) is responsible for acetylcholine synthesis
• E) is responsible for synthesis of actin and myosin

---

Definitions:

Tax Deduction

An eligible expense that can reduce an individual's or company's taxable income.

Depreciation Tax Shield

A reduction in taxable income for businesses, reflecting the depreciation expense on tangible assets.

Leased Asset

An asset that is rented under a contract, where the lessee has the right to use it for a specified period in exchange for payment to the lessor.

Loss Carry-Forward

Using a year’s capital losses to offset capital gains of future years.