
Concept explainers
(a)
Interpretation: The validation of the given statement that base pairing occurs in DNA but not in RNA has to be stated.
Concept introduction: The process by which generation of new proteins in a cell takes place is known as protein synthesis. It consists of two phases, that is, transcription and translation. DNA molecules undergo transcription to yield RNA which in turn undergoes translation to form proteins.
(b)
Interpretation: The validation of the given statement that both DNA and RNA are double-stranded molecules has to be stated.
Concept introduction: The process by which generation of new proteins in a cell takes place is known as protein synthesis. It consists of two stages, that is, transcription and translation. DNA molecules undergo transcription to yield RNA which in turn undergoes translation to form proteins.
(c)
Interpretation: The validation of the given statement that RNA molecules are much larger than DNA molecules has to be stated.
Concept introduction: The process by which generation of new proteins in a cell takes place is known as protein synthesis. It consists of two stages, that is, transcription and translation. DNA molecules undergo transcription to yield RNA which in turn undergoes translation to form proteins.
(d)
Interpretation: The validation of the given statement that the base T in DNA is replaced by the base A in RNA has to be stated.
Concept introduction: The process by which generation of new proteins in a cell takes place is known as protein synthesis. It consists of two stages, that is, transcription and translation. DNA molecules undergo transcription to yield RNA which in turn undergoes translation to form proteins.

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Chapter 22 Solutions
General, Organic, and Biological Chemistry
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