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Microbiology Study Guide: Step-by-Step Guidance for Key Concepts

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Microbial Growth Curves in a Closed System

  • Microbial Growth Curves in a Closed System
    08:59
  • Primary & Secondary Metabolites
    02:33

Temperature Requirements for Microbial Growth

  • Temperature Requirements for Microbial Growth
    04:16
  • Classification of Microbes by Growth Temperature
    04:56
  • How to Memorize the Classification of Microbes by Growth Temperatures
    01:59

pH Requirements for Microbial Growth

  • pH Requirements for Microbial Growth
    03:11
  • Optimal Growth pH Classes of Microbes
    03:23

Biofilms

  • Quorum Sensing
    04:13
  • Steps of Biofilm Development
    04:32
  • Biofilms
    03:14

Binary Fission

  • Binary Fission
    02:16
  • Steps of Binary Fission
    04:57

Generation Times

  • Calculating Generation Times
    05:48
  • Generation Times
    02:54

Measuring Growth by Direct Cell Counts

  • Types of Direct Cell Counting Instruments
    02:32
  • Direct Microscopic Cell Counts
    03:28

Measuring Growth by Plate Counts

  • Measuring Growth by Plate Counts
    07:16
  • Measuring Growth by Plate Counts
    01:36

Measuring Growth by Membrane Filtration

  • Measuring Growth by Membrane Filtration
    02:29

Measuring Growth by Biomass

  • Measuring Total Weight
    03:27
  • Measuring Growth by Biomass
    05:58

Introduction to Microbial Genetics

  • Map of the Lesson on Microbial Genetics
    02:04
  • Introduction to Microbial Genetics
    04:20

Introduction to DNA Replication

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

Introduction to Transcription

  • Overview of Transcription
    07:44
  • Introduction to Transcription
    05:51

Introduction to Translation

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

Prokaryotic Gene Regulation via Operons

  • Inducible Operons
    04:25
  • Prokaryotic Gene Regulation via Operons
    00:53
  • Repressible Operons
    03:42

The Lac Operon

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

The Trp Operon

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

Introduction to Mutations

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

Horizontal Gene Transfer

  • Fates of Horizontally Transferred DNA
    03:13
  • Horizontal Gene Transfer
    04:42
  • Integration of DNA via Homologous Recombination
    02:52

Bacterial Transformation

  • Bacterial Transformation
    03:06
  • Mechanism of Natural Transformation
    03:49

Transduction

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

Introduction to Conjugation

  • Introduction to Conjugation
    04:21

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

Selecting a Method to Control Microbial Growth

  • Types of Microbes (Microbial Characteristics)
    07:24
  • Overall Risk of Infection
    04:52
  • Environmental Factors
    04:18

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

Introduction to Antimicrobial Drugs

  • Percorso guidato
    History of Antimicrobial Drugs
    05:33

How Antimicrobial Drugs Work

  • Percorso guidato
    Selective Toxicity
    05:27
  • Percorso guidato
    How Antimicrobial Drugs Work Example 1
    03:28

Antimicrobial Resistance

  • Percorso guidato
    Types of Resistance Mechanisms
    05:04
  • Percorso guidato
    Spread of Antibiotic Resistance
    04:45
  • Percorso guidato
    Antibiotic Resistance
    03:45

Introduction to Viruses

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

Prions

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

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

Introduction to Animal Virus Infections

  • Introduction to Animal Virus Infections
    02:33
  • Memorizing the Steps of Animal Virus Infections
    01:40

Animal Viruses: 1. Attachment to the Host Cell

  • Animal Viruses: 1. Attachment to the Host Cell
    03:12

Animal Viruses: 2. Entry & Uncoating in the Host Cell

  • Entry & Uncoating by Endocytosis
    02:29
  • Animal Viruses: 2. Entry & Uncoating in the Host Cell
    04:29
  • Entry & Uncoating of Enveloped Viruses by Membrane Fusion
    02:59

Animal Viruses: 3. Synthesis & Replication

  • Map of Lesson on Animal Virus Synthesis & Replication
    03:34
  • Types of RNA Virus Genomes
    10:46
  • Common Themes of All Virus Genomes
    02:58

Animal Viruses: DNA Virus Synthesis & Replication

  • Animal Viruses: DNA Virus Synthesis & Replication
    01:10
  • Replication of Single-Stranded DNA (ssDNA) Viruses
    04:12
  • Replication of Double-Stranded DNA (dsDNA) Viruses
    03:58

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: 4. Assembly Inside Host Cell

  • Animal Viruses: 4. Assembly Inside Host Cell
    04:26

Animal Viruses: 5. Release from Host Cell

  • Release of Non-Enveloped Viruses
    02:34
  • Release of Enveloped Viruses
    05:08