Which feature of model 1 best illustrates how biological information is coded in a DNA molecule?
Understand the Problem
The question is asking which feature of Model 1 best demonstrates how biological information is encoded in a DNA molecule, referencing given labeled components in a diagram of DNA structure.
Answer
The linear sequence of the base pairs
The feature that best illustrates how biological information is coded in a DNA molecule is the linear sequence of the base pairs.
Answer for screen readers
The feature that best illustrates how biological information is coded in a DNA molecule is the linear sequence of the base pairs.
More Information
The linear sequence of base pairs is critical because it determines the genetic code. Each DNA sequence codes for specific amino acids that compose proteins, which carry out essential cellular functions. The sequence is read from the 5' end to the 3' end.
Tips
A common mistake is to think that other features such as hydrogen bonds or the 5' and 3' labels directly indicate how information is coded. They are important structural characteristics, but the informational content is held in the sequence of base pairs.
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