Macromolecule chitin is
nitrogen containing polysaccharide
phosphorus containing polysaccharide
sulphur containing polysaccharide
simple polysaccharide
The essential chemical components of many coenzymes are
proteins
nuclei acids
carbohydrates
vitamins
One molecule of triglyceride is produced using
one fatty acid and one glycerol
one fatty acid and three glycerols
three fatty acids and three glycerols
three fatty acids and one glycerol
D.
three fatty acids and one glycerol
Alcohol have a hydroxyl group (-OH) and organic acids have a carboxyl group (-COOH). When alcohol and organic acids join, they form esters. The glycerol molecule has three hydroxyl group and each fatty acid has three carboxyl group. Hence, a triglyceride or triacylglyceride an ester is formed from the reaction between three fatty acids and one glycerol.
Which one of the following is enriched with a non-reducing sugar?
Grapes
Germinating barley grains
Table sugar
Mother's milk
Which of the following statements is wrong for sucrose?
It is a disaccharide
It is a non-reducing sugar
It accumulates in the cytoplasm
It is comprised of maltose and fructose
Absorption of vitamin-B;» in human requires 'P' glycoprotein secreted from 'Q'. The correct choices of P and Q are
P - Extrinsic factor; Q - Stomach
P - Intrinsic factor; Q - Stomach
P - Intrinsic factor; Q - Small intestine
P - Exopolysaccharide; Q - Small Intestine
Which one of the following combination of all three fatty acids are essential for human beings?
Oleic acid, linoleic acid and linolenic acid
Palmitic acid, linoleic acid and arachidonic acid
Oleic acid, linoleic acid and arachidonic acid
Linoleic acid, linolenic acid and arachidonic acid