Blebs can be noted in

Which bacteria are included in the domain $Bacteria$?

How many bacteria are produced in four hours if a bacterium divides once in half an hour?

Which one of the following statements about mycoplasma is wrong?

Consider the following four statements $(A-D)$ and select the option which includes all the correct ones only.
$(A)$ Archaebacteria differ from other bacteria in having a different cell wall structure.
$(B)$ Bacteria as a group show the most extensive metabolic diversity.
$(C)$ All Eubacteria have chlorophyll ' $a$' pigment similar to green plants.
$(D)$ Mycoplasma can survive without oxygen.

The sex factor in bacteria is .......