Enzymes or biocatalysts are proteinaceous substances that are capable of catalyzing chemical reaction of biological systems without themselves undergoing any  ….Read More >>

Nucleic acids are linear mixed polymers of nucleotides and are, therefore, also called polynucleotides. They are formed of C, H,  ….Read More >>

Nucleotides forms the monomer of nucleic acids i.e. DNA and RNA. A nucleotide is composed of three components: (A) A  ….Read More >>

Proteins are polymers or heteropolymers of amino acids (Fisher and Hofmeister). Collagen is the most abundant protein in the animal  ….Read More >>

Amino acids are colourless, crystalline, water soluble and animated organic acids formed of C, H, O, N and in some  ….Read More >>

Lipids are formed of Carbon, Hydrogen and often Oxygen where Oxygen content is very small as compared to other two  ….Read More >>

If a man can swim relative to water with velocity V→mR and water is flowing relative to ground with velocity  ….Read More >>

All chemicals / molecules functional in living organisms whether inorganic or organic, are known as biomolecules. About 5000 chemicals are  ….Read More >>

Carbohydrates are polyhydroxy (having many – OH groups) aldehydes or ketones and their condensation products. Aldehyde group (–CHO) is generally  ….Read More >>

1. Cataract: Sometimes due to the formation of a membrane over the crystalline lens of some people in the old  ….Read More >>