Figure 34-2

question 111

Multiple Choice

Figure 34-2.On the left-hand graph,MS represents the supply of money and MD represents the demand for money;on the right-hand graph,AD represents aggregate demand.The usual quantities are measured along the axes of both graphs.
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-Refer to Figure 34-2.If the money-supply curve MS on the left-hand graph were to shift to the left,this would

• A)represent an action taken by the Federal Reserve.
• B)shift the AD curve to the left.
• C)create,until the interest rate adjusted,an excess demand for money at the interest rate that equilibrated the money market before the shift.
• D)All of the above are correct.

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Definitions:

Directional Selection

Directional selection favors individuals on one end of the distribution of phenotypes present in a population.

Paralogs

Genes within the same organism that have evolved by duplication and may have different functions.

Gene Family

A group of genes sharing a common origin that typically encode proteins with similar functions.

Molecular Clock

A method used to determine time based on base pair substitutions. Molecular clocks use the rates of molecular change to deduce the divergence time between lineages in a phylogeny, for example. They work best when they can be “calibrated” with other markers of time, such as fossils with known ages and placements.