What Are the Z Lines in Skeletal Muscles Composed Of

question 33

Multiple Choice

What are the Z lines in skeletal muscles composed of?

• A) stacked thick filaments along with parts of thin filaments that overlap both ends
• B) discs to which thin filaments are anchored
• C) thin filaments but no thick filaments
• D) thick filaments but no thin filaments

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Definitions:

Emotional Components

The aspects of emotions, including physiological arousal, expressive behaviors, and subjective feelings, that together constitute emotional experiences.

Biological Processes

Natural operations or functions related to living organisms and their components.

Construct

An intellectual hypothesis that we devise and use to interpret or explain life events. Constructs are bipolar, or dichotomous, such as tall versus short or honest versus dishonest.

Reality

The state or quality of having existence or substance, often distinguished from illusions or fantasies.