Functions of Proteins (AQA A-Level Biology): Flashcards
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What determines protein function?
What determines protein function?
Molecular shape
Two main categories of proteins
Two main categories of proteins
Fibrous and globular
Role of fibrous proteins
Role of fibrous proteins
Structural (support, strength, shape)
Role of globular proteins
Role of globular proteins
Metabolic (enzymes, transport)
Example of fibrous protein
Example of fibrous protein
Collagen
Example of globular protein
Example of globular protein
Haemoglobin
Collagen's quaternary structure
Collagen's quaternary structure
Triple helix (3 polypeptide chains)
What holds collagen chains together
What holds collagen chains together
Cross-linkages
Structures connected by tendons
Structures connected by tendons
Muscles to bones
Collagen arrangement in tendons
Collagen arrangement in tendons
Staggered (different start/end points)