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Consider the following statements: 1. DNA contains the sugar deoxyribose, while RNA contains the sugar ribose. 2. DNA is a double-stranded molecule, while RNA is a single-stranded molecule. 3. DNA is not stable under alkaline conditions, while RNA is stable. Which of the given above statements is/are correct? 

Consider the following statements: 1. DNA contains the sugar deoxyribose, while RNA contains the sugar ribose. 2. DNA is a double-stranded molecule, while RNA is a single-stranded molecule. 3. DNA is not stable under alkaline conditions, while RNA is stable. Which of the given above statements is/are correct?  Correct Answer 1 and 2

The correct answer is 1 and 2.

Key Points

  • DNA stands for deoxyribonucleic acid, while RNA is ribonucleic acid. Although DNA and RNA both carry genetic information, there are quite a few differences between them.
  • This is a comparison of the differences between DNA versus RNA, including a quick summary and a detailed table of the differences.
    • DNA contains the sugar deoxyribose, while RNA contains the sugar ribose. The only difference between ribose and deoxyribose is that ribose has one more -OH group than deoxyribose, which has -H attached to the second (2') carbon in the ring.
    • DNA is a double-stranded molecule, while RNA is a singlestranded molecule.
    • DNA is stable under alkaline conditions, while RNA is not stable.
    • DNA and RNA perform different functions in humans. DNA is responsible for storing and transferring genetic information, while RNA directly codes for amino acids and acts as a messenger between DNA and ribosomes to make proteins.
    • DNA and RNA base pairing is slightly different since DNA uses the bases adenine, thymine, cytosine, and guanine; RNA uses adenine, uracil, cytosine, and guanine

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