Fresh meat is putrefied by

Which bacteria was being cultured by the discoverer of the first antibiotic at the time of its discovery?

Identify the correct statements with respect to antibiotics:
$(i)$ Fleming,Chain,and Florey were awarded the Nobel Prize in $1945$.
$(ii)$ Antibiotics have greatly improved our capacity to treat deadly diseases.
$(iii)$ Penicillin was used to treat American soldiers wounded in World War $I$.

What do photosynthetic microorganisms produce?

Alexander Fleming worked on which of the following bacteria?

Bordeaux mixture is named after