Problem: Which of the following statements about DNA structure is true? 1. The nucleic acid strands in a DNA molecule are oriented antiparallel to each other, meaning they run in opposite directions. 2. Nucleic acids are formed through phosphodiester bonds that link nucleosides together. 3. Hydrogen bonds formed between the sugar-phosphate backbones of the two DNA chains help to stabilize DNA structure. 4. The pentose sugar in DNA is ribose.

FREE Expert Solution

1. The nucleic acid strands in a DNA molecule are oriented antiparallel to each other, meaning they run in opposite directions.

TRUE. The DNA double helix contains two DNA strands running antiparallel to each other. One strand goes from 3' to 5' while the other goes from 5' to 3'.

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Problem Details

Which of the following statements about DNA structure is true? 

1. The nucleic acid strands in a DNA molecule are oriented antiparallel to each other, meaning they run in opposite directions. 

2. Nucleic acids are formed through phosphodiester bonds that link nucleosides together. 

3. Hydrogen bonds formed between the sugar-phosphate backbones of the two DNA chains help to stabilize DNA structure. 

4. The pentose sugar in DNA is ribose.

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