In Comparing Smooth and Cardiac Muscle, Which One of the Following

question 101

Multiple Choice

In comparing smooth and cardiac muscle, which one of the following best describes the differences between the two muscle types?

• A) Smooth muscle is voluntary, whereas cardiac is involuntary.
• B) Both lack muscle filaments, but cardiac muscle has sarcomeres.
• C) Cardiac muscle requires periods of relaxation, whereas smooth muscle is always in a state of partial contraction.
• D) Cardiac muscle filaments are arranged in bundles, whereas smooth muscles lack filament bundles.
• E) Cardiac muscle contracts slowly compared to smooth muscle.

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Definitions:

Antenna Complex

A structure within chloroplasts of plants and green algae that captures light energy and transfers it to the photosynthetic reaction centers.

Photosynthesis

Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy and carbon dioxide into glucose and oxygen.

Aerobic Respiration

A metabolic process that converts oxygen and glucose into energy (ATP), water, and carbon dioxide.

Energy Generation

The process of converting various forms of energy, such as chemical, nuclear, or solar, into usable electrical or mechanical energy.