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 […]
The epithelium present in the alimentary canal secretes hormones. These hormones are carried by blood to the digestive glands which then release their digestive secretions […]
S.N. Mitochondria Chloroplasts 1. They are smaller in size (1-4 µm). They are bigger in size (4-10 µm). 2. They occur in practically all eukaryotic […]
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 […]
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 […]
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 technique is used for the separation and identification of a specific protein in a complex mixture of proteins based on their molecular weight. […]
Principle: Optochin test is used to determine the effect of Optochin (ethylhydrocupreine hydrochloride) on an organism. Optochin is a chemical used as an antibiotic that […]
The genus Streptococcus includes a large number of species of Gram-positive, catalase negative cocci. They are non-motile and non-spore forming. They are arranged in chains […]
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