Use the figure to answer the question. Refer to the metabolic pathway illustrated. If A, B, and C are all required for growth, a strain that is mutant for the gene-encoding enzyme A would be able to grow on medium supplemented with which of the following nutrient(s)?

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#Question id: 30076

#Unit 2. Cellular Organization

Direct repeats in the IS element are present __________

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#Question id: 30077

#Unit 2. Cellular Organization

Which of the following functions is not performed by transposase?

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#Question id: 30078

#Unit 2. Cellular Organization

Transposable elements that contain genes for their own mobilization are called:

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#Question id: 30079

#Unit 2. Cellular Organization

Which of the following best describes an Ac transposable element? 

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#Question id: 30080

#Unit 2. Cellular Organization

During transposition, retrotransposons use reverse transcriptase to:

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#Question id: 30081

#Unit 2. Cellular Organization

Alu sequences are nonautonomous _______________ that comprise 10% of the human genome.