Suppose That for the Past Two Months, You Have Studied

question 253

Multiple Choice

Suppose that for the past two months, you have studied economics one hour a day. You now decide to study economics two hours a day. For the past two months

• A) your marginal cost of studying economics for an hour must have exceeded its marginal benefit.
• B) the marginal cost of studying economics must have fallen.
• C) your marginal benefit from studying economics an hour must have been greater than its marginal cost.
• D) the opportunity cost of studying economics must have risen.

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Definitions:

K+

Potassium ion, a key electrolyte in the body involved in nerve function, muscle contraction, and fluid balance.

Leak Ion Channels

Channels in cell membranes that allow ions to pass through without the need for stimulus, balancing cellular ion concentrations and membrane potentials.

Myofilament

Protein filaments, including actin and myosin, that are the fundamental components of muscle contraction.

Actin

A globular structural protein that forms microfilaments, playing a vital role in muscle contraction, cell motility, and the maintenance of cell shape.