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Select the statement that is true.(1 point)

Responses

DNA has the sugar deoxyribose, while RNA has the sugar ribose.
DNA has the sugar deoxyribose, while RNA has the sugar ribose.

Translation copies DNA to mRNA, while transcription converts mRNA into proteins.
Translation copies DNA to mRNA, while transcription converts mRNA into proteins.

Thymine is only present in DNA, while cytosine is only present in RNA.
Thymine is only present in DNA, while cytosine is only present in RNA.

DNA and RNA are both double-stranded.

1 answer

The true statement is:

DNA has the sugar deoxyribose, while RNA has the sugar ribose.

The other statements are incorrect for the following reasons:

  • Translation copies DNA to mRNA, while transcription converts mRNA into proteins. (This is reversed; transcription copies DNA to mRNA, and translation converts mRNA into proteins.)

  • Thymine is only present in DNA, while cytosine is only present in RNA. (Thymine is indeed only in DNA, but cytosine is present in both DNA and RNA.)

  • DNA and RNA are both double-stranded. (DNA is double-stranded, whereas RNA is usually single-stranded.)