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BACTERIAL GENETICS

BACTERIAL GENETICS. HOW BACTERIA GAIN NEW GENETIC INFORMATION MUTATION TRANSFORMATION CONJUGATION TRANSDUCTION. DEFINITION OF A MUTATION: ANY CHANGE IN THE NITROGEN BASE SEQUENCE OF DNA IS A MUTATION ANYTHING THAT CAUSES MUTATIONS IS CALLED A MUTAGEN

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BACTERIAL GENETICS

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  1. BACTERIAL GENETICS

  2. HOW BACTERIA GAIN NEW GENETIC INFORMATION MUTATION TRANSFORMATION CONJUGATION TRANSDUCTION

  3. DEFINITION OF A MUTATION: ANY CHANGE IN THE NITROGEN BASE SEQUENCE OF DNA IS A MUTATION • ANYTHING THAT CAUSES MUTATIONS IS CALLED A MUTAGEN • MUTATIONS CAN BE GROUPED INTO TWO SEPARATE GROUPS: • SPONTANEOUS MUTATIONS • INDUCED MUTATIONS • THREE TYPES OF MUTATIONS: 1. BASE SUBSTITUTION (MISSENSE) 2. NONSENSE MUTATION 3. FRAMSHIFT MUTATIONS

  4. WHAT CAUSES MUTATIONS • CERTAIN CHEMICALS CAN CAUSE MUTATIONS

  5. ULTRAVIOLET LIGHT CAN CAUSE MUTATIONS

  6. TRANSFORMATION

  7. CONJUGATION

  8. animation

  9. TRANSDUCTION

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