Which of the following characteristics of Figure 1 best shows that the fragment is RNA and not DNA?
Understand the Problem
The question asks which characteristic of the nucleotide chain represented in Figure 1 indicates that it is RNA rather than DNA. This involves understanding the structural differences between RNA and DNA.
Answer
The identity of each nitrogenous base
The identity of each nitrogenous base and the presence of uracil (not thymine) best shows that the fragment is RNA and not DNA.
Answer for screen readers
The identity of each nitrogenous base and the presence of uracil (not thymine) best shows that the fragment is RNA and not DNA.
More Information
RNA is characterized by the presence of uracil instead of thymine and a hydroxyl group (OH) on the 2' carbon of the ribose sugar.
Tips
A common mistake is to confuse the structural orientation of RNA and DNA, which are both in the 5' to 3' direction, as a distinguishing feature.
Sources
- RNA vs. DNA: Key Differences and Comparisons - nature.com
- Solved: 7. Which of the Following Characteristics - brainly.com
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