The Removal of Calcium Ions from the Cytosol of Skeletal

question 68

Multiple Choice

The removal of calcium ions from the cytosol of skeletal muscle causes

• A) the myosin binding sites on actin to be uncovered by tropomyosin.
• B) tropomyosin to change conformation and thereby move troponin molecules over cross-bridge binding sites.
• C) troponin to change conformation and thereby expose cross-bridge binding sites.
• D) the myosin binding sites on actin to be covered by tropomyosin.
• E) None of the choices are correct.

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Definitions:

Anxiety

A feeling of worry, nervousness, or unease about something with an uncertain outcome.

Solutions

Answers or methods for solving a problem or dealing with a challenging situation.

Relativistic Thinking

A cognitive process that recognizes the validity of diverse viewpoints and understands that knowledge and truth can vary depending on context and criteria.

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The action of delaying or postponing tasks, often leading to stress, anxiety, and a potential decrease in performance.