Use the Graphs to Answer the Following Question

question 68

Multiple Choice

Use the graphs to answer the following question.
Mutant fruit flies that make only one antimicrobial peptide were tested for survival after infection with Neurospora crassa fungi or with Micrococcus luteus bacteria.


The results shown in the graphs support the hypothesis that ________.

• A) adding the defensin gene to such mutants protects them from death by bacterial infection
• B) adding the drosomycin gene to such mutants protects them from death by bacterial infection
• C) wild-type flies with the full set of genes for antimicrobial peptides are highly susceptible to both fungal and bacterial pathogens
• D) the presence of any single antimicrobial peptide protects against both fungal and bacterial pathogens

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Definitions:

Socialist System

An economic and political system where the means of production, distribution, and exchange are owned and regulated by the community as a whole.

Capitalist System

An economic system based on private ownership of the means of production and their operation for profit, characterized by competition, a market economy, and private property rights.

Fourteenth Amendment

An amendment to the U.S. Constitution, ratified in 1868, that granted citizenship to all persons born or naturalized in the United States, including former slaves, and guaranteed all citizens equal protection of the laws.

Laissez-Faire

An economic philosophy of free-market capitalism that opposes government intervention.