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Bacteria: Good or Bad? Good? -Helps in digestion -Breaks down dead matter (decomposers) -Nitrogen Fixation (Make nitrogen usable by plants) Bacteria: Good or Bad? Bad? -Some bacteria cause disease Treated with? -Antibiotics Anti = Against Bio = Living Zone of Inhibition Bacteria Vs Viruses Similarities-How are they the same? -Both can cause disease -Both have genetic material (DNA and RNA) Bacteria Vs Viruses Treatment and Prevention Bacteria: (ex. Strep, Staph) -Antibiotics Viruses: (ex. Small Pox, Chicken Pox) -Vaccines (V = Virus) (V = Vaccine) Bacteria Vs Viruses Differences: -Bacteria: -Grow and Develop (Cell Division) -Viruses: -Need a Host/ insert their DNA -little “cell-jackers” HIV • Transmission – Can be transmitted (passed to) by: • • • • Sexual contact Blood Transfusions Sharing of Needles/Blood Transfusions Transmission of mother to baby Lysogenic Cycle • Genetic material is incorporated into the host cell DNA Lytic Cycle Lyse-Burst Open Both
