The yeast enzyme that converts glucose into ethyl alcohol is called ......

Which of the following options is incorrect regarding the microbe and its industrial product,while the other three are correct?

Alexander Fleming in $1929$ discovered:

Assertion $(A)$: The statin produced by the yeast $Monascus$ $purpureus$ lowers blood cholesterol.
Reason $(R)$: Statins act by competitively inhibiting the enzyme responsible for the synthesis of cholesterol.

Which steroid is useful for transformation?

Which scientists established the full potential of penicillin as an effective antibiotic by improving its production?