Biology A-Level
Collagen
What Collagen means in Biology A-Level, as defined for OCR.
Definition of Collagen
Check what you remember
Read the wording for your board, then hide it and explain Collagen in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Three polypeptide chains wound into a triple helix, cross-linked in fibrils, giving high tensile strength in tendons, skin and blood-vessel walls.
Topics that use Collagen
- Biological molecules (OCR A-Level)
Related terms
- amylose and amylopectin
- Benedict's test for reducing and non-reducing sugars
- Biuret test for proteins
- Bonding and R-group interactions
- Carbon, hydrogen and oxygen
- Cellulose and microfibrils
- Cholesterol
- Cohesion and surface tension
Using Collagen in the exam
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