Vitamin K: Structure, Properties, Biological roles and Deficiency
Fat soluble vitamin that play a major role in post translational modification. Vitamin K also acts as a co-enzyme for carboxylase enzyme. It is the […]
Biochemistry
Vitamin D: Synthesis, regulation, biological roles, sources and deficiency
Vitamin D is another fat-soluble vitamin. It has sterol like structure and therefore function like steroid hormones. 7-dehydrocholesterol is the animal source of Vit-D which […]
Vitamin A: Structure, derivatives, Properties, Biological roles and deficiency
Vitamin A comprises of a group of compounds collectively called retinoids which includes retinal, retinol, retinoic acid and a pro-vitamin A obtained from plant source […]
G-protein coupled receptor (GPCR): β -adrenergic signalling pathway
G-protein coupled receptors (GPCRs) G protein–coupled receptors (GPCRs) are receptors that are closely related with a member of the guanosine nucleotide–binding protein (G protein) family. […]
Rate of enzyme reactions and factor affecting the rate of enzyme reactions
Rate of enzyme reactions The rate of enzyme reaction is measured by the amount of substrate changed or amount of product formed during a period […]
Enzymes: Properties and Mechanism of enzyme action
Enzymes Enzymes are biological catalyst that catalyze biochemical reaction during metabolism but itself remain unaffected during the process of catalysis. Enzymes accelerate the rate of […]
Classification of protein; on the basis of structure, composition and function
I. Classification of protein on the basis of Structure and composition: • This Classification of protein is based on shape or structure and composition. They […]
Level of structural organization of protein
Proteins are structurally organized into four level; primary structure, secondary structure tertiary structure and quaternary structure. 1. Primary structure of protein: Primary structure of protein […]
Cholesterol Biosynthesis pathway
Cholesterol Cholesterol is a steroid alcohol present in animal tissue. It is the structural component of all cell membranes and regulating fluidity. It is also […]
Buffer, buffering capacity, properties of good buffer and role of buffer in vitro and in vivo
Buffer: Buffers are defined as solutions which resists small change in pH by adding small amount of acid or base. A buffer usually consists of […]