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What type of helix is observed in proteins?

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in Biology – Class 11 by (272k points)
What type of helix is observed in proteins?

(a) Left-handed helix

(b) Parallel double helix

(c) Antiparallel double helix

(d) Right-handed helix

This question was posed to me in an interview for internship.

I'd like to ask this question from Biomolecules in portion Biomolecules of Biology – Class 11

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Right answer is (d) Right-handed helix

To explain I would say: The secondary structure of proteins is in the form of a single helix. It is formed by the folding of the primary structure. Anti-parallel double-stranded helix is found in DNA. Proteins always possess a right-handed helix.

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