Which one of the following gives positive Fehling's solution test ?
Sucrose
Glucose
Fats
Protein
Enzymes are made up of
edible proteins
proteins with specific structure
nitrogen containing carbohydrates
carbohydrates
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.
Which one of the following structures represents the peptide chain ?
The hormone that helps in the conversion of glucose to glycogen is
cortisone
bile acids
adrenaline
insulin
Enzymes take part in a reaction and
decrease the rate of a chemical reaction
increase the rate of a chemical reaction
both (a) and (b)
None of the above
Haemoglobin is
an enzyme
a globular protein
a vitamin
a carbohydrate
Which statement is incorrect about peptide bond
C — N bond length in proteins is longer than usual bond length of C — N bond
Spectroscopic analysis show planar structure of group
C — N bond length in proteins is smaller than usual bond length of C — N group
The couplings between base units of DNA is through
hydrogen bonding
electostatic bonding
covalent bonding
van der Waals' forces
The hormone which controls the processes like burning of fats, proteins and carbohydrates to liberate energy in the body is
thyroxine