It Has Been Hypothesized That Early Life Consisted of an "RNA

question 2

Multiple Choice

It has been hypothesized that early life consisted of an "RNA world"-a world before DNA.Which statement does not support this hypothesis?

• A) Retroviruses have an enzyme that catalyzes the synthesis of DNA from RNA.
• B) Protein enzymes catalyze the great majority of reactions in living cells.
• C) Ribozymes catalyze formation of peptide linkages.
• D) Adding a short RNA sequence to a mixture of nucleotides causes formation of RNA polymers 7 million times faster than without the short sequence.
• E) An artificial ribozyme catalyzes assembly of short RNAs into a longer molecule that is a copy of itself.

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Definitions:

Correlation Coefficient

A numerical measure that assesses the strength and direction of the linear relationship between two quantitative variables.

Continuous

Refers to data that can take any value within a given range.

Ratio

A relationship between two quantities indicating how many times the first number contains the second.

Relationship Between Variables

The way in which two or more variables are associated or interact with each other.