The hormone that maintains the blood glucose level within the limit is

Who conducted the first scientific study of fermentation?

Identify the correct statement regarding enzymes.

Which of the following statements about enzymes are correct?
$(i)$ They lack nucleophilic groups.
$(ii)$ They are highly specific.
$(iii)$ They catalyze reactions by lowering the activation energy of the reaction.
$(iv)$ Pepsin is a proteolytic enzyme.

An enzyme is a .......

The correct match between Item $I$ and Item $II$ is

Item $I$	Item $II$
$A$. Allosteric effect	$P$. Molecule binding to the active site of enzyme
$B$. Competitive inhibitor	$Q$. Molecule crucial for communication in the body
$C$. Receptor	$R$. Molecule binding to a site other than the active site of enzyme
$D$. Poison	$S$. Molecule binding to the enzyme covalently