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Multiple Choice
How might a single amino acid substitution affect the structure and function of a protein?
A
It will cause the protein to become a carbohydrate.
B
It will always result in the protein being completely non-functional.
C
It could lead to a change in the protein's three-dimensional shape, potentially altering its function.
D
It will have no effect on the protein's structure or function.
Verified step by step guidance
1
Understand that proteins are made up of chains of amino acids, and the sequence of these amino acids determines the protein's structure and function.
Recognize that a single amino acid substitution can occur due to a mutation in the DNA sequence that codes for the protein.
Consider how the substitution might affect the protein's primary structure, which is the linear sequence of amino acids.
Explore how changes in the primary structure can lead to alterations in the secondary and tertiary structures, potentially affecting the protein's three-dimensional shape.
Acknowledge that changes in the protein's shape can impact its function, as the shape is crucial for the protein's ability to interact with other molecules.