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explain isoelectric phisoelectric ph many ionizable groups are present in a protein molecule depending on the ph of
proteins may be classified broadly into three groupsa simple proteinsb conjugated proteins andc derived
decarboxylation amino acids undergo decarboxylation reaction enzymatically or by treatment with heat acid or alkali
explain ester formationester formation in presence of dry hcl amino acids react with alcohol to form esters this is one of
reactions of carboxylic group salt formation in alkaline medium xooh group reacts with metal hydroxide to form amino acid
chemical reactions of amino acidsthe chemical reactions of amino acids can be divided into three classesi reactions of carboxylic groupii
hydrophobicity of amino acidshydrophobicity of amino acids and also of peptides and proteins may be determined by relative solubility of
physical properties of amino acid-solubility amino acids are readily soluble in water slightly soluble to insoluble in ethanol and insoluble in ether
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advantages of proteinsproteins are compounds of carbon hydrogen oxygen and nitrogen on an average proteins contain 16 nitrogen most proteins also
explain protein protein is derived from a greek word protos which means pre eminent jht or foremost
what is ranciditythis results from the formation of aldehyde due to the oxidation of unsaturated glycerides or by the
what is hydrolysisfats when boiled with water at 220degc under pressure in an autoclave undergo hydrolysis to
saponification -fats when boiled with alcoholic solution of naoh or koh undergo hydrolysis into glycerol and fatty acids and
steroids are of many types these are given belowa sterols cholesterol ergosterolb bile acids glycocholic acid taurocholic acidc
explain oxidation of fatty acids fatty acids released from chylomicrons and vldl are transferred across cell membranes by passive diffusion which
explain steroidssteroids form a group of compounds which are often found in association with fats but structurally and functionally
define hydroxyl groupsas glycerol has three hydroxyl groups three molecules of fatty acids may get attached
explain neutral fats neutral fats are esters of fatty acids with glycerol and found abundantly in nature these are insoluble in
carbon atoms of fatty acids are numbered from carboxyl carbon various conventions are used to indicate the
what are fatty acidsfatty acids are grouped into two classes saturated and unsaturated fatty acids the terms saturated and unsaturated fatty acid
isomers are different compounds having same molecular form but different structural formsa glucose and fructoseb glucose and
mutarotation- the process whereby the configuration of an anomeric carbon converts from a and p and
explain glycogenglycogen is the storage polysaccharide found in the muscle and liver of animals and humans it is a branched polymer having about
cellulose-it is the main constituent of plant cell walls and the most common and abundant of the d-glucose polymers this does not occur in the