Identify the correct pair having amino acid $(A)$ and the hormone $(B)$ that is an iodinated derivative of the amino acid $(A)$. ($T$ and $Y$ represent one-letter codes for amino acids.)

Fermentation is an

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.

Some enzymes are made after the reaction where they are used. What name is given to the class of enzymes which catalyse the oxidation of one substrate with simultaneous reduction of another substrate?

Select the correct option regarding enzymes:

Which enzyme is responsible for the digestion of compounds like paper and cloth in animals like cows and buffaloes?