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
Enzymes are made up of
edible proteins
proteins with specific structure
nitrogen containing carbohydrates
carbohydrates
Glucose molecule reacts with 'X' number of molecules of phenyl hydrozine to yield osazone
The value of 'X' is
four
one
two
three
The α D-glucose and β D-glucose differ from each other due to difference in carbon atom with respect to its
conformation
configuration
number of OH groups
size of hemiacetal ring
Which one of the following structures represents the peptide chain ?
The couplings between base units of DNA is through
hydrogen bonding
electostatic bonding
covalent bonding
van der Waals' forces
Phospholipids are esters of glycerol with
one carboxylic acid residue and two phosphate groups
three phosphate groups
three carboxylic acid residues
two carboxylic acid residues and one phosphate groups
RNA and DNA are chiral molecules, their chirality is due to
L-sugar component
chiral bases
chiral phosphate ester units
D-sugar component
The helical structure of protein is stabilised by
dipeptide bonds
hydrogen bonds
ether bonds
peptide bonds
Which of the following can possibly be used as analgesic without causing addiction and mood modification ?
Morphine
Diazepam
Tetrahydrocational
N-acetyl-para-aminophenol
