Proteins (Leaving Cert Biology): Flashcards
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Practise the cards
13 cards from this deck
4 main elements in proteins
4 main elements in proteins
Carbon, hydrogen, oxygen, nitrogen
No. of common amino acids used by living things
No. of common amino acids used by living things
20
What makes each amino acid unique
What makes each amino acid unique
The R group (side chain)
No. of essential amino acids for humans
No. of essential amino acids for humans
9
Definition: peptides
Definition: peptides
Short chains of up to 50 amino acids
Definition: polypeptides
Definition: polypeptides
Long chains of more than 50 amino acids
Definition: proteins (by amino acid count)
Definition: proteins (by amino acid count)
Over 200 amino acids joined in a chain
Bond linking amino acids together
Bond linking amino acids together
Peptide bond
Fibrous proteins: structure & role
Fibrous proteins: structure & role
Little folding, long fibres, structural role
Globular proteins: structure & role
Globular proteins: structure & role
Extensive folding, compact shape, functional roles
Can proteins be stored in the body
Can proteins be stored in the body
No
Dietary sources of protein
Dietary sources of protein
Meat, fish, eggs, nuts, milk, yoghurt, peas, beans, lentils
Role of enzymes (made of protein)
Role of enzymes (made of protein)
Control reactions in the body