Ribose is an example of:
ketohexose
disaccharide
pentose
polysaccharide
C.
pentose
Pentose is a 5-carbon atom monosaccharide.
Ketohexose is a carbohydrate having 6C atoms and a ketonic group.
Disaccharide is a carbohydrate in which on hydrolysis given 2 molecules of monosaccharides.
Polysaccharides give more than two molecules of monosaccharides on hydrolysis.
A catalyst :
lowers the activation energy
change the rate constant
change the product
itself destroys in the reaction
Pick the wrong statements from the following.
Deficiency of vitamin B6 (pyridoxume) results in convulsions.
Sources of vitamin are yeast, milk, green vegetables and cereals.
deficiency of vitamin D cause xerophthalmia
Consumption of citrus fruits and green leafy vegetbles in food prevents scurvy.
Proteins are :
polypeptides with low molecular weights
polypeptides with high molecular weights
polymers of amides
polymers of secondary amines