Various blood-clotting factors (Names, Origin and Functions)
Blood clotting factors or coagulation factors are the most essential components of hemostasis. Hemostasis is a process that results in the formation of a blood […]
Molecular Biology
The Glyoxylate Cycle (Steps involved, Significance and Regulation)
In plants, certain invertebrates and some microorganisms (including E. coli and yeast), acetate can serve both as an energy-rich fuel and as a source of […]
Regulation of gene expression of Lac Operon in E. coli
Regulation of gene expression involves two steps; transcription and translation to form a complete protein or enzyme. Some enzymes are required under certain conditions but […]
Five major classes of Antibodies and their Biological Activities
Heavy-chain sequence analysis of an immunoglobulin molecule revealed five basic sequence patterns. These five basic sequences correspond to five different heavy-chain constant (C) regions named […]
Southern Blotting: Principle, Steps involved and Applications
Southern blotting also called Southern hybridization is a hybridization technique which helps to detect specific gene sequences or DNA fragments within complicated mixture of nucleic […]
Differences between Rough Endoplasmic Reticulum (RER) and Smooth Endoplasmic Reticulum (SER)
S.N. RER (Rough ER) SER (Smooth ER) 1. It is composed mainly of cisternae. It is composed mainly of tubules and vesicles. 2. It bears […]
Differences between 70S and 80S ribosomes
S.N. Characteristics 70S Ribosomes 80S Ribosomes 1. Occurrence They occur in prokaryotic cells and in the mitochondria and plastids of eukaryotic cells. They occur only […]
Western blotting: Principle, Steps involved and Applications
Western blotting technique is used for the separation and identification of a specific protein in a complex mixture of proteins based on their molecular weight. […]
Differences between Euchromatin and Heterochromatin
S.N. Euchromatin Heterochromatin 1. It consists of thin and extended chromatin fibers. It consists of thick and compact chromatin fibers. 2. Chromatin fibers are uncoiled […]
DNA sequencing by Sanger’s method
DNA sequencing is the process of determining the entire sequence of nucleotides of a genome. The development of new techniques has made it possible to […]