Monascus purpureus is a yeast used commercially in the production of:

Why is sugar repeatedly added in a fed-batch culture?

Which of the following is a bacterial product?

Sugary solution is changed to vinegar by the action of

$A$. Fleming isolated penicillin from ............ .

Statement $A$: Statins prevent blood clotting in blood vessels.
Reason $R$: Statins reduce the level of cholesterol in the blood.
Which option is correct for Statement $A$ and Reason $R$?