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Fibrous Proteins
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- 1Complete the sentences: Fibrous proteins are tough and rope-shaped. They are _________ and strong. They are ___________ proteins and are fairly ___________ (unlike many globular proteins)Fibrous proteins are tough and rope-shaped. They are INSOLUBLE and strong. They are STRUCTURAL proteins and are fairly UNREACTIVE (unlike many globular proteins)
- 2What are the functions and properties of collagen?Found in animal connective tissues, such as bone, skin and muscle
Minerals can bind to it to increase its rigidity (e.g. in bone)
Prevents arteries bursting
Tendons connect muscles to bones
Cartilage
Flexible but strong - 3What are the functions and properties of keratin?Found in many of the external structures of animals
Can either be flexible (e.g. skin) or hard and tough (e.g. nails)
Many disulphide bridges
Very strong
Hair, fingernails, hooves, horns, claws
Mechanical protection
Impermeable barrier to infection - 4What are the functions and properties of elastin?Found in elastic connective tissue
Elastic - allows tissues to return to their original shape when stretched
Cross-linking and coiling (strong and extensible)
Skin can stretch around bones
Lungs can inflate/deflate
Bladder can expand
Blood vessels can stretch and recoil
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- El usuario ha eliminado su información de asignaturas Fichas sobre Fibrous Proteins, creado por Usuario eliminado el 05/03/2018.
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- Usuario eliminado · mar 2018
- Actualizado
- 5 mar 2018
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- Creado por Yinka F · 24 ene 2018
- Copiado por Yinka F · 5 mar 2018
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