collagen
Collagen provides strength to many tissues. This topic is part of Biology within Science & Nature. This page currently draws on 7 supporting questions, with answers and bonus facts available below.
collagen trivia questions
Collagen is a major structural protein in skin, bones, and what?
Answer: Connective tissues
Bonus fact: Collagen provides strength to many tissues.
Which amino acid is especially abundant in collagen?
Answer: Glycine
Bonus fact: Glycine appears at every third position in the collagen triple helix.
What distinctive molecular shape is formed by collagen chains?
Answer: Triple helix
Bonus fact: Three collagen polypeptide chains wind together into a triple helix.
Gelatin is produced by processing what structural protein?
Answer: Collagen
Bonus fact: Heating collagen-rich tissues produces gelatin.
Why does gelatin dessert firm when cooled?
Answer: Protein chains form a network that traps water
Bonus fact: Partial reformation of collagen-like structures creates a gel.
What structural protein is abundant in tendons?
Answer: Collagen
Bonus fact: Dense collagen fibers give tendons tensile strength.
What major protein gives ligaments much of their tensile strength?
Answer: Collagen
Bonus fact: Collagen fibers resist pulling forces.