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Define Ion exchange chromatography?
In this method a reversible exchange of ions is effected. Usually resins and ionic solutes are the two components involved in ion-exchange. Ion exchange resins are of two types cation and anion exchange resins. The acidic or cation exchange resins contain sulfonic acid groups (SO3H), carboxylic groups (COOH) or phenol groups (OH).
Basic or anion exchange resins contain weakly basic amine groups (NH2) or strongly basic quarternary ammonium groups (NH4)+ OH-. The surfaces of acid resins bind cations such as H, Na+, Ca2+, NH4+. The basic or anion exchange resins carry positive charges on the surface and thus adsorb negative ions.
Define Role of Fitness in Field of Human Endeavour? Fitness plays a vital role in any field of human endeavour and influences the efficiency of a person. For this reason, fitne
Explain Objectives of Root-End Resection Apicoectomy a) Removal of untreated apical portion of the root, b) Enable the obturator to determine the cause of failure, c) To
Phimosis Phimosis may be congenital or acquired. The foreskin in young infants cannot be retracted, because at that gge it is adherent to the underlying glans. Wlen an attemp
How do the products of meiosis I differ from those of meiosis II? In meiosis I, the offspring cells are haploid but every cell contains two copies of the chromosome because th
The plasma membrane is the outer membrane of the cell it delimits the cell itself and a cell interior with particular conditions for the cellular function. As it is selectively per
CRANIU M - Large, hollow, rounded part of the skull. It's cavity is cranial cavity in it brain is protected. Such animals in which cranium present grouped in craniata.
Why in the preparation of a karyotype analysis is the use of a substance like colchicine interesting? The Colchicine is a substance that disallows the formation of microtubules
Q. Why is the proximity between amino and ribosomes acids important for the protein formation? What is the enzyme that catalyzes that reaction? The proximity between amino and
how does epigenetic controls transcription?
Group specificity Some enzymes prefer a specific functional group to be present\%on the substrate molecules. Example:- alcohol dehydrogenase acts on alcohols having -OH gr
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