L-cysteine and L-valine
Penicillin is a secondary metabolite commonly found in the filamentous
fungi and they are synthesized from the amino acid precursors L-cysteine, L-valine and l-α-aminoadipic
acid. β-lactam antibiotic penicillin are antibiotics commonly used for the
treatment or therapy of infectious diseases.
<span>The death of all the producers in a community would affect the carbon and oxygen cycle. </span>There would be no photosynthesis, so there would be an excess of carbon dioxide and not enough oxygen.
Answer:
why are you under water lol
and also try to swim eh?
I think it's A, but I'm not sure.