Botany - Biological Classification Question with Solution | TestHub

The cell envelope consists of a tightly bound three layered structure, of which plasma membrane is the innermost layer.

A specialised differentiated form of cell membrane called mesosome is the characteristic of prokaryotes.

Surface structures of the bacteria, like flagella, pili and fimbriae play a major role in motility.

Gas vacuoles are found in blue green and purple and green photosynthetic bacteria.