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Proteins
Proteins
4.3
Proteins
Consists of elements:
carbon
,
hydrogen
,
oxygen
and
nitrogen
.
Some contain phosphorus.
The monomer of proteins is an amino acid.
Two molecules of amino acids
are linked through condensation, by forming a peptide bond, which known as a
dipeptide
.
The polymer of proteins is a polypeptide.
The polypeptide can be broken down into amino acids through hydrolysis.
Have several levels;
primary
(linear),
secondary
(pleated, helix),
tertiary
(3D-shaped) and
quarternary
(having two or more tertiary structures).
Chapter : Chemical Composition in a Cell
Topic : Proteins
Form 4
Biology
View all notes for Biology Form 4
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