Which one of the following gives positive Fehling's solution test ?
Sucrose
Glucose
Fats
Protein
Number of chiral carbon atoms in βD(+) glucose is
five
six
three
four
Diazo coupling is useful to prepare some
pesticides
dyes
proteins
vitamins
Chemically considering digestion is basically
anabolism
hydrogenation
hydrolysis
dehydrogenation
The correct statement in respect of protein haemoglobin is that it
functions as a catalyst for biological reactions
maintains blood sugar level
act as an oxygen carrier in the blood
forms antibodies and offers resistance to diseases.
The hormone that helps in the conversion of glucose to glycogen is
cortisone
bile acids
adrenaline
insulin
The cell membranes are mainly composed of
carbohydrates
phospholipids
fats
Sucrose in water is dextrorotatory, [ α ]D = + 66.4o when boiled with dil HCI, the solution becomes leavo - rotatory , [α ]D = -39.9o .
In this process the sucrose breaks into
L-glucose + D-fructose
L-glucose + L-fructose
D-glucose + D-fructose
D-glucose + L-fructose
Which one of the following vitamins is water-soluble ?
Vitamin B
Vitamin E
Vitamin K
Vitamin A
Which functional group participates in disulphide bond formation in proteins ?
Thiolactone
Thiol
Thioether
Thioester