If Mary Has an Absolute Advantage Over Bill in Performing

question 83

Multiple Choice

If Mary has an absolute advantage over Bill in performing each of two tasks,then

• A) Mary must have a comparative advantage in both tasks
• B) Mary cannot benefit by specializing in one and trading with Bill for the other
• C) Mary should specialize in both tasks
• D) Mary cannot have a comparative advantage in either task
• E) Mary should specialize in the one in which she has a comparative advantage

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Definitions:

Muscle Fiber

The cylindrical, multinucleate cells that make up skeletal muscles, responsible for contracting to produce movement.

Myofibril

Within a muscle fiber, a threadlike array of proteins organized as a series of sarcomeres (contractile units).

Sarcomere

Contractile unit of muscle; an array of actin and myosin filaments arranged in parallel and bounded on either end by an array of cytoskeletal elements (a Z line).

Red Muscle Fibers

Muscle fibers with high myoglobin content and mitochondria, adapted for endurance and sustained activity by aerobic respiration.