What Is the Functional Unit of a Skeletal Muscle Called

question 52

Multiple Choice

What is the functional unit of a skeletal muscle called?

• A) a myofibril
• B) a sarcomere
• C) the sarcoplasmic reticulum
• D) a myofilament

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Definitions:

Tendril

A slender, coiling structure that plants use to support and anchor themselves as they climb.

Carnivorous Plants

Plants that derive some or most of their nutrients from trapping and consuming animals or protozoans, typically insects and other arthropods.

Nitrogen

A chemical element with symbol N and atomic number 7, essential to all living organisms as a constituent of proteins and nucleic acids.

Essential Elements

Nutrients required for organisms to survive and reproduce, that cannot be synthesized internally and must be obtained from the environment.