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Practice problem

DNA and RNA — Structure & Function

By Reagan Devine
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The image below shows the percentages of two nitrogenous bases in a molecule of DNA.

A strand of DNA contains 23% C and 27% T. We don't know how much is adenine or guanine.

What percent of this DNA molecule is guanine?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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