11 



Multiplication of bacteria always takes place by 

 division one cell forms two and only two new cells. 



Threads result from division of bacilli which 

 remain adherent end to end by the undivided 

 cell membrane. 



Diplocoocus Streptococcus Staphylococcus. 

 Division in two directions results in Tetrads. 

 Division in three directions results in sarcines. 



Demonstration of, 



Sporogenic granules, threads, diplococci, Staphyl- 



ococci, streptococci, tetrads, sarcines. 

 Spores, median and terminal. 



