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Multiple Choice
Which of the following is NOT a DNA binding motif?
A
Helix-Turn-Helix
B
Zinc-Finger
C
Helix-Finger
D
Luecine Zipper
Verified step by step guidance
1
Understand what a DNA binding motif is: A DNA binding motif is a structural domain within a protein that is responsible for binding to specific DNA sequences, allowing the protein to regulate gene expression.
Review the common DNA binding motifs: Helix-Turn-Helix, Zinc-Finger, and Leucine Zipper are well-known DNA binding motifs that interact with DNA in specific ways.
Analyze the given options: Helix-Turn-Helix, Zinc-Finger, Helix-Finger, and Leucine Zipper.
Identify the option that does not fit: Compare each option to the known DNA binding motifs and identify any that do not match the established categories.
Conclude which option is not a recognized DNA binding motif: Based on your analysis, determine that 'Helix-Finger' is not a recognized DNA binding motif, unlike the others listed.