How proteins produce toxins?

Explanation:

Protein toxins are usually produced by bacteria or plants. Many bacterial toxins are comprised of two parts: the cell binding portion interacts with cell surface while the enzymatic portion enters the cytosol and generates toxicity.

b) the inside picture would look at a very high temperature in a very low ph

i wish i could with all of them i can barley see the first one so here's the answer to the first one b