The female sex hormone which is responsible for the development of secondary female characteristics and participates in the control of menstrual cycle is

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.

Which one of the following is a peptide hormone?

Which enzyme converts glucose into alcohol?

Which enzyme is responsible for the conversion of maltose into glucose?

Which of the following proteins acts as a messenger in living system?