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Fibrous proteins

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Total cards: 6•Content version: v4•Public deck•Updated: 8/1/2026

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#1
Front (Question)

Fibrous proteins are

Back (Answer)

are long strands of polypeptide chains that have cross-linkages due to hydrogen bonds

#2
Front (Question)

Do fibrous proteins have a tertiary structure

Back (Answer)

They have little or no tertiary structure

#3
Front (Question)

Due to the large number of hydrophobic R groups fibrous proteins are

Back (Answer)

fibrous proteins are insoluble in water

#4
Front (Question)

Fibrous proteins have a limited number of amino acids with the sequence usually being

Back (Answer)

highly repetitive

#5
Front (Question)

The highly repetitive sequence creates very organised structures that are ……………and this along with their ………..property, makes fibrous proteins very suitable for structural roles, for example, ……… that makes up hair, nails, horns and feathers and ……….which is a connective tissue found in skin, tendons and ligaments

Back (Answer)

strong and insoluble structural keratin collagen

#6
Front (Question)

Exam Tip To distinguish between the two proteins, learn SAFES

Back (Answer)

(Shape, Amino acid sequence, Function, Examples and Solubility).