Consider the following statements

$I$. Transgenic animals are more sensitive to the toxic substance than non-transgenic animals

$II$. Useful biological products can be produced by introducing into transgenic animals the portion of $DNA$ which codes for a particular product

$III$. Brazzein is a protein produced by a west African plant, Pentadiplandra brazzeana which is approximately $2000$ time as sweet as sugar

Which of the statements are given above are correct?

In which bacteria insulin gene was cloned

Saccharomycetes cerevisae is

cry $II$ Ab and cry $I$ Ab produce toxins that control

Which row material is used in farmentation process of making beer