Which of these is a difference between DNA and RNA? There is more than one correct...

Which of these is a difference between DNA and RNA? There is more than one correct answer.

Group of answer choices

-DNA is usually single-stranded while RNA is usually double-stranded.

-The deoxyribose in DNA lacks an O atom, while the ribose in RNA has an O atom.

-DNA has T while RNA has U.

-The deoxyribose in DNA has an O atom, while the ribose in RNA lacks an O atom.

-DNA has U while RNA has T.

-You can make a double helix with RNA, but not with DNA.

Expert Solution

1. DNA is usually single-stranded while RNA is usually double-stranded. This option is incorrect. This is because DNA is double-stranded and RNA is single-stranded.

2. The deoxyribose in DNA lacks an O atom, while the ribose in RNA has an O atom. This option is correct. DNA contains deoxyribose sugar that lacks an O atom at the 2' carbon. RNA contains ribose sugar that has an O atom at 2' carbon.

3. DNA has T while RNA has U. This option is correct. DNA contains thymine as nucleotide that is complementary to adenine nucleotide. RNA contains uracil nucleotide complementary to adenine nucleotide.

4. The deoxyribose in DNA has an O atom, while the ribose in RNA lacks an O atom. This option is incorrect. DNA contains deoxyribose sugar that lacks an O atom at the 2' carbon. RNA contains ribose sugar that has an O atom at 2' carbon.

5. DNA has U while RNA has T. This option is incorrect. DNA contains thymine as nucleotide that is complementary to adenine nucleotide. RNA contains uracil nucleotide complementary to adenine nucleotide.

6. You can make a double helix with RNA, but not with DNA. This option is incorrect. his is because DNA is double-stranded and RNA is single-stranded.

gladiator answered 2 months ago

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