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Questions and Answers
Which structure is formed when keratin α-helix chains combine in hair formation?
Which structure is formed when keratin α-helix chains combine in hair formation?
- Protofilament
- Fibril
- Coiled coil (correct)
- Filament
What is the arrangement of the dimers in the coiled coil structure formed by keratin α chains?
What is the arrangement of the dimers in the coiled coil structure formed by keratin α chains?
- Anti-parallel rows
- Staggered anti-parallel rows (correct)
- Parallel rows
- Staggered parallel rows
How many protofilaments combine to form a filament (protofibril) in hair formation?
How many protofilaments combine to form a filament (protofibril) in hair formation?
- 8
- 2
- 4 (correct)
- 6
