BIOMOLECULES
Biomolecules are chemicals or molecules present in the living organisms. The collection or sum total of different types of
biomolecules, compounds and ions present in a cell is called cellular pool.
Non aqueous phase
Contains chemicals deposited in various structures like
chromatin, cell wall and cell membrane.Aqueous phase
Contains chemicals dispersed in water forming true solution
(homogenous particles) or colloidal solution (heterogenous
particles).Cellular
PoolOrganic constituents are lipids, carbohydrates, amino acids,
proteins, enzymes, nucleotides, etc.Organic materials occur both in aqueous and non-aqueous phases.Organic molecules posses carbon and hydrogen.Inorganic constituents of cellular pool are minerals, gases
and water.
Inorganic substances do not contain carbon along with hydrogen.
Minerals occur in form of salts, ions (Na+, Cl–, NaCl, CaCO 3 )Types of BiomoleculesInorganic OrganicMicromolecules
Small sized, low molecular weight chemicals.
They may be organic or inorganic and include
water, gases, sugars, amino acids etc.Macromolecules
Large sized complex chemicals, formed by polymerisation
of monomers (except lipids). Have high molecular weight,
always organic. Carbohydrates, proteins, lipids and
nucleic acids are macromolecules.
Categories of
biomolecules on
the basis of weight
and solubilityThe syllabus for NEET is very vast which impedes students from acquiring indepth knowledge and
covering the entire syllabus at the same time. An essential topic for NEET is therefore presented here
to enable students grasp the topic, analyse the type of questions and SCORE HIGH.