Create a hypothetical protein structure using known motifs and describe its potential biological role.

• A. A protein with a helix-loop-helix and beta-alpha-beta motif could function in DNA binding.
• B. A protein with no motifs could function in DNA binding.
• C. A protein with a single alpha helix could function in DNA binding.
• D. A protein with only beta sheets could function in DNA binding.

Answer: (A)