Here is an essay on ‘Bacteria and Human Disease’ for class 11 and 12. Find paragraphs, long and short essays on ‘Bacteria and Human Disease’ especially written for school and college students. Essay on Bacteria and Human Disease Essay # 1. Brucella Abortus: Cells short ellipsoidal rods, occurring singly, in pairs, and occasionally in chains, measuring 0.3 to 0.4 μ [...]
Here is a list of seven effective physical agents that can kill infection causing organisms:- 1. Electricity 2. Sonic and Supersonic Waves 3. Alpha, Beta, and Gamma Rays 4. Electrons 5. Cathode Rays 6. X Rays 7. Distilled Water. Physical Agent # 1. Electricity: Beattie and Lewis (1920) employed a current of about 4000 volts and 2 amp. for 4 [...]
Bacteria reproduce by an asexual process called binary fission. In this sequence of events, the chromosome duplicates, the cell elongates, and the plasma membrane pinches inward at the center of the cell. When the nuclear material has been evenly distributed, the cell wall thickens and grows inward to separate the dividing cell. No mitotic structures (e.g., spindle, aster) are present [...]