In Certain Kinds of Muscle Cells, Calcium Ions Are Stored

question 35

Multiple Choice

In certain kinds of muscle cells, calcium ions are stored in .

• A) both smooth and rough ER
• B) the cytoplasm
• C) the smooth ER
• D) the rough ER

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Definitions:

Beta Particle

A high-energy, high-speed electron or positron emitted by the radioactive decay of an atomic nucleus during beta decay.

Atomic Nucleus

The dense central core of an atom, containing protons and neutrons, around which electrons orbit.

Beta Particle

An atomic nucleus during radioactive decay emits a high-speed, high-energy electron or positron.

Atomic Nucleus

The central core of an atom, composed of protons and neutrons.