Which of the Following Is the Correct Sequence of Events

question 65

Multiple Choice

Which of the following is the correct sequence of events for muscle contractions?

• A) neurotransmitter release, muscle cell action potential, motor neuron action potential, release of calcium ions from SR, sliding of myofilaments, ATP-driven power stroke
• B) motor neuron action potential, neurotransmitter release, muscle cell action potential, release of calcium ions from SR, ATP-driven power stroke, sliding of myofilaments
• C) muscle cell action potential, neurotransmitter release, ATP-driven power stroke, calcium ion release from SR, sliding of myofilaments
• D) neurotransmitter release, motor neuron action potential, muscle cell action potential, release of calcium ions from SR, ATP-driven power stroke

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Definitions:

Committed Fixed Costs

Long-term fixed costs that cannot be easily altered in the short term, such as leases, depreciation on equipment, and salaries of permanent employees.

Short Run

A period in which at least one factor of production is fixed, allowing limited adjustments to production or operational levels.

Variable Costs Per Unit

The costs that vary directly in proportion to changes in the level of production or sales volume.

Activity

A task, action, or operation performed in a business or industrial context, often contributing to a larger set of operations.