A good producer of citric acid is

How are microbes useful in industrial production of chemicals, enzymes and other bioactive molecules ?

$A$ : Myocardial infarction can now be treated more effectively due to genetic engineering.

$R$ : Streptokinase produced by Streptoccocus and modified by $RDT$ is used as a clot buster for removing thrombus

Which of the following is a wrong matching of a microbe and its industrial product?

First antibiotic isolated was