John Is Trying to Decide Whether to Go to College

question 23

Multiple Choice

John is trying to decide whether to go to college or to start working right out of high school.College as an investment is most likely justified when ________ is greater than the cost of going to college.

• A) the present value of the difference between what John would earn as a college graduate and what he would earn as a high school graduate
• B) the present value of what John would earn as a college graduate
• C) the sum of lifetime earnings as a college graduate
• D) the difference between the sum of lifetime earnings as a college graduate and the sum of lifetime earnings as a high school graduate

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Definitions:

Repressible Operon

A regulatory mechanism in genetics where the presence of a certain substance inhibits gene transcription, typically found in prokaryotic organisms.

Lactose Operon

A cluster of genes in bacteria that encodes enzymes responsible for the metabolism of lactose, regulated by the availability of this sugar.

Tryptophan Operon

A group of genes that are regulated together, involved in the biosynthesis of the amino acid tryptophan in bacteria.

Operons

A functioning unit of genomic DNA containing a cluster of genes under the control of a single promoter, found primarily in prokaryotes.