Drugs and Medicines
A drug, also called medicine, is a chemical substance used to cure, prevent, or diagnose a disease. Chemotherapy, use of the chemical substance for...
Nucleic Acids
Nucleic Acids
Nucleic acids are chain like polymers of thousands of nucleotide units, hence they are also called polynucleotides.
These are mainly of two types, the...
Vitamins
Vitamins
Vitamins are a group of organic compounds which are essential for normal growth and nutrition and are required in very...
Enzymes
Enzymes
Enzymes are biological catalysts. Chemically all enzymes are globular proteins.
Being proteins, they have colloidal nature and...
Proteins
Proteins
The word protein is derived from Greek word, “proteios” which means primary or of prime importance. All proteins are polymers of -amino acids.
Amino Acids
The...
Starch, Cellulose & Glycogen
Polysaccharides
Polysaccharides contain a large number of monosaccharide units joined together by glycosidic linkages. They mainly act as the food storage or structural materials.
Starch
...
Sucrose, Maltose & Lactose
Disaccharides:
The two monosaccharides are joined together by an oxide linkage formed by the loss of a water molecule. Such a linkage between two monosaccharide...
Fructose (Ketohexose)
Fructose (Ketohexose)
Fructose is an important ketohexose. It is obtained along with glucose by the hydrolysis of disaccharide, sucrose.
Fructose also has the molecular formula C6H12O6.
The...
Glucose
Glucose is a monosaccharide’s with molecular formula C6H12O6. It is present in sweet fruits and in honey.
Preparation of Glucose:
#1 Preparation of Glucose From sucrose, C12H22O11:
#2 Preparation of Glucose From starch C6H10O5:
Structure...
Biomolecules and Carbohydrates
Biomolecules
Biomolecules are the organic molecules that are involved in the maintenance and metabolic processes of living organisms. Thus, they build up the living system...