OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the difference between DNA and RNA
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DNA has uracil and RNA has thymine
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DNA is involved in transcription and RNA is involved in translation
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DNA contains thymine and RNA contains uracil
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DNA is made of nucleotides and RNA is not
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Explanation:
Detailed explanation-1: -RNA contains the sugar ribose, phosphates, and the nitrogenous bases adenine (A), guanine (G), cytosine (C), and uracil (U). DNA and RNA share the nitrogenous bases A, G, and C. Thymine is usually only present in DNA and uracil is usually only present in RNA.
Detailed explanation-2: -Abstract. Uracil is one of four nitrogen bases, most frequently found in normal RNA. Uracyl can be found also in DNA as a result of enzymatic or non-enzymatic deamination of cytosine as well as misincorporation of dUMP instead of dTMP during DNA replication.
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