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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.
Q. Define osseointegration and its theories? Osseointegration implies that "it is a contact established without interposition of non bony tissue between normal remodeled bone a
MEDULL A OBLONGATA - Conical in appearance. Lower most part of hind brain. It's lumen is metacoel or 4th ventricle. An oval mass pons virolli lies above medula oblongeta. I
ROL E OF NUCLEIC ACIDS - These are DNA / RNA. Unit is nucleotides. Present in viruses and all cells. DNA is concerned as genetic material. RNA as genetic material
Characteristics
The mathematical, statistical and computing methods that aim to resolve biological queries using DNA and amino acid sequences and related information is called as Bioinformatics.
Describe the effects on the urinary system of drinking too much beer.
Osmoregulatory Animal An osmoregulatory animal is generally in an osmotic steady state even though there may be hourly and daily variations in osmotic balance. The concentrati
While various positive control components lie close to the gene they regulate additional can be situated long distances away (sometimes 10-50 kb) either upstream or downs
PRINCIPLES OF DARWINISM - 1 . OVERPRODUCTION (PRODIGALITY) - All organisms have enormous fertility and they multiply in geometric ratio. Examples of over product
Listeriosis The organisms have an extensive host range which includes mammal, poultry, fish, crustaceans and ticks including man. The organism has been isolated from sheep, goats,
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