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Microbial Genetics, Viral Structure, and Control of Microbial Growth – Study Guide for Exam #2

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Introduction to DNA Replication

  • Unwinding the DNA:Topoisomerase, Helicase & SSBs
    05:10
  • Components of DNA Replication
    04:47
  • Origin of Replication
    03:33

Steps of Transcription

  • Elongation of Transcription
    02:44
  • Initiation of Transcription
    04:16
  • Elongation of Transcription
    04:01

Introduction to Translation

  • Ribosomal tRNA Binding Sites
    06:16
  • Ribosome Subunits
    08:42
  • Introduction to Translation
    06:12

Introduction to Mutations

  • Spontaneous vs. Induced Mutations
    02:47
  • Introduction to Mutations
    00:37
  • Types of Mutations
    08:44

Introduction to Conjugation

  • Introduction to Conjugation
    04:21

The Trp Operon

  • In the Presence of Tryptophan
    03:11
  • The Trp Operon
    05:30
  • In the Absence of Tryptophan
    03:42

The Lac Operon

  • In the Absence of Lactose
    04:34
  • The Lac Operon
    07:06
  • In the Presence of Lactose
    03:56

Introduction to Bacteriophage Infections

  • Map of Lesson on Bacteriophage Infections
    03:52
  • Productive vs. Latent State Infections
    04:09
  • Lytic & Lysogenic Bacteriophages
    04:34

Bacteriophage: Lytic Phage Infections

  • Bacteriophage: Lytic Phage Infections
    04:58

Bacteriophage: Lysogenic Phage Infections

  • Bacteriophage: Lysogenic Phage Infections
    05:27
  • Lysogenic Conversion
    03:37

Transduction

  • Generalized Transduction
    04:24
  • Transduction
    06:49
  • Specialized Transduction
    06:34

Introduction to Viruses

  • General Structure of Viruses
    04:47
  • Three Common Shapes of Viruses
    03:19
  • Enveloped vs. Non-Enveloped Viruses
    05:09

Animal Viruses: RNA Virus Synthesis & Replication

  • Animal Viruses: RNA Virus Synthesis & Replication
    01:30
  • Replication of (+) Single Strand RNA (ssRNA) Viruses
    03:52
  • Replication of Double-Stranded RNA Viruses
    04:28

Animal Viruses: Reverse-Transcribing Virus Synthesis & Replication

  • Animal Viruses: Reverse-Transcribing Virus Synthesis & Replication
    04:28

Acute vs. Persistent Viral Infections

  • Acute Viral Infections
    03:29
  • Persistent Viral Infections
    05:12
  • Acute vs. Persistent Viral Infections
    02:59

COVID-19 (SARS-CoV-2)

  • COVID-19 (SARS-CoV-2)
    03:59

Prions

  • Prion Development in Neurons Leads to Scrapie
    04:00
  • Prions
    03:05

Introduction to Controlling Microbial Growth

  • Terminology of Microbial Growth Control
    07:36
  • Hierarchy of Microbial Growth Control Terminology
    03:09
  • Situations Warranting Different Levels of Microbial Growth Control
    05:58

Physical Methods to Control Microbial Growth

  • Dry Heat
    02:58
  • Irradiation
    06:18
  • Filtration
    04:29

Chemical Methods to Control Microbial Growth

  • Types of Disinfectants
    05:21
  • Selecting the Right Chemical Agent
    04:52
  • Chemical Methods to Control Microbial Growth
    03:58