Question detail
Explain how the structure of DNA is linked to its function in information storage.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Amino acids, proteins and DNA (A-level only)
Question
Explain how the structure of DNA is linked to its function in information storage.
Answer
The structure of DNA consists of two strands forming a double helix, with nucleotides containing a sugar, phosphate group, and nitrogenous base. The sequence of these bases encodes genetic information, allowing for the storage and transmission of hereditary traits.
Explanation
This answer demonstrates an understanding of the relationship between DNA structure and its role in information storage. It tests the student's ability to connect structural features with functional outcomes, a key concept in molecular biology.
Common mistake
Linking DNA Structure to Function
Students often state that DNA's structure is only for replication without mentioning its role in information storage.
To fix this, remember that the sequence of bases in DNA encodes genetic information. State the relationship: the order of nucleotides (A, T, C, G) determines the genetic code, which is essential for protein synthesis and heredity.
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