Researchers Found a Strain of Bacteria That Had Mutation Rates

question 39

Multiple Choice

Researchers found a strain of bacteria that had mutation rates one hundred times higher than normal. Which of the following statements correctly describes the most likely cause of these results?

• A) The single-strand binding proteins were malfunctioning during DNA replication.
• B) There were one or more base pair mismatches in the RNA primer.
• C) The proofreading mechanism of DNA polymerase was not working properly.
• D) The DNA polymerase was unable to add bases to the growing nucleic acid chain.

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Definitions:

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A theoretical price index that measures the relative cost of living over time or regions, including prices of goods and services required for maintaining an average level standard of living.

Productivity Index

A measure used to analyze the efficiency of production or the output produced relative to input used.

Traditional Classroom Instruction

Educational methods involving direct teaching and learning that occur in a physical classroom setting, emphasizing face-to-face interactions between teachers and students.