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If a nation experiences a year of unusually high immigration that increases the size of the labor force, we can conclude that the

An inflation goal set at a low rate but greater than zero allows all of the following except

If production in the economy is efficient, then changes in market prices

Governments usually build highways because it is difficult to exclude individuals who don’t pay for the highways from using them. What type of market failure is involved?

Savings equal the difference between personal income and consumption.

In providing a legal framework, the government

Muscle contraction does not require very much ATP and the energy demands of even vigorous exercise are easily met by the ATP stored in your muscles.

Curare is a poisonous plant extract. Curare molecules have a chemical structure like the neurotransmitter ACh. Curare can bind to the ACh receptor site on the chemically gated ion channels of a muscle cell. Even though curare will bind to the receptor site it will not open the ion channel and no ions will pass through. What do you think the symptoms of curare poisoning would look like?

Curare is a poisonous plant extract. Curare molecules have a chemical structure like the neurotransmitter ACh. Curare can bind to the ACh receptor site on the chemically gated ion channels of a muscle cell. Even though curare will bind to the receptor site it will not open the ion channel and no ions will pass through. What do you think the symptoms of curare poisoning would look like?

In an isotonic contraction, the muscle changes in length and moves the “load”.