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.)

Statements about Enzyme Inhibitor Drugs are given below.
$A$. There are Competitive and Non-competitive inhibitor drugs.
$B$. These can bind at the active sites and allosteric sites.
$C$. Competitive Drugs are allosteric site blocking drugs.
$D$. Non-competitive Drugs are active site blocking drugs.
Choose the correct answer from the options given below.

The source of an enzyme is malt and that enzyme converts $X$ into $Y$. $X$ and $Y$ respectively are

Write a note on enzymes and their mechanism of action.

Which of the following hormones contains iodine?

The first hormone chemically synthesized in the laboratory is