Which of the Following Is the Correct Sequence of Events

question 63

Multiple Choice

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

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

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Definitions:

Marginal Product

Marginal product is the increase in output that results from adding one more unit of a specific input, holding all other inputs constant.

Fixed Costs

Expenses that do not change with the level of production or sales, such as rent, salaries, and insurance premiums.

Law Of Diminishing Returns

An economic principle stating that if one input in the production of a commodity is increased while all other inputs are held fixed, a point will eventually be reached at which additions of the input yield progressively smaller, or diminishing, increases in output.

Fixed Factor

A resource in the production process that remains constant, regardless of the level of output or production over a certain time period.