what is food hinders

recruitment process by which immune system recruits many cells to the affected tissue to destroy the pathogens is called -------Please explain

this

please give me a short note on leprosy .

Why is bacteria considered to be the most primative organisms.

In what form bacteria may be present in the air

state the difference between the following

1. decay and putrefaction

2. pasteurization and sterlization

what are toxoids

what are serum and toxins

define antibiotis

what is mosaic?

 what is a prokaryotic nucleus?

 what is a prokaryotic nucleus?

calcium carbonate

name the finer hyphae of bread mould which penetrate the substratum