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Microbiology Exam I Study Guide: Chapters 1–4

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Koch's Postulates

  • Koch's Postulates
    01:36
  • The 4 Koch's Postulates
    03:31
  • Limitations to Koch's Postulates
    02:58

Gram Stain

  • Gram Stain
    04:57

Introduction to Bacterial Cell Walls

  • Peptidoglycan
    01:58
  • Types of Bacterial Cell Walls
    02:44
  • Peptidoglycan Structure
    04:44

Gram-Positive Cell Walls

  • Teichoic Acids
    03:58
  • Gram-Positive Cell Walls
    02:59

Gram-Negative Cell Walls

  • Gram-Negative Cell Walls
    3:04
  • Porins
    02:18
  • The Outer Membrane
    02:15

Gram-Positive vs. Gram-Negative Cell Walls

  • Mnemonic for Gram-Positive vs. Gram-Negative Cell Walls
    01:41
  • Gram-Positive vs. Gram-Negative Cell Walls
    04:46

Cell Envelope & Biological Membranes

  • Cell Envelope & Biological Membranes Example 1
    02:21
  • Biological Membranes
    02:10
  • Intro to Biological Membranes
    06:16

Bacterial & Eukaryotic Cell Membranes

  • Cholesterol in Animal Membranes
    02:38
  • Bacterial & Eukaryotic Cell Membranes
    03:58

Osmosis

  • Osmosis Example 1
    02:18
  • Osmosis
    05:59
  • Direction of Osmosis
    06:48

Introduction to Membrane Transport

  • Map of the Lesson on Membrane Transport
    02:26
  • Introduction to Membrane Transport
    03:00
  • Which Molecules Freely Cross Membranes?
    05:31

Passive vs. Active Transport

  • Classes of Membrane Transport Proteins
    03:41
  • Passive vs. Active Transport
    05:05

Introduction to Microscopes

  • Introduction to Microscopes
    06:13

Magnification, Resolution, & Contrast

  • Magnification, Resolution, & Contrast
    07:29

Introduction to Light Microscopy

  • Introduction to Light Microscopy
    02:53

Light Microscopy: Bright-Field Microscopes

  • Light Microscopy: Bright-Field Microscopes
    03:46
  • Light Microscopy: Bright-Field Microscopes Example 1
    03:41
  • Components & Magnification of the Compound Light Microscope
    06:15

Light Microscopes that Increase Contrast

  • Light Microscopes that Increase Contrast
    02:39
  • Dark-Field Microscopy
    01:52
  • Phase-Contrast Microscopy
    03:27

Light Microscopes that Detect Fluorescence

  • Light Microscopes that Detect Fluorescence
    01:46
  • Fluorescence Microscopes
    02:54
  • Two-Photon Microscope (TPM)
    02:01

Electron Microscopes

  • Scanning Electron Microscope (SEM)
    02:42
  • Electron Microscopes
    03:08
  • Transmission Electron Microscope (TEM)
    04:23

Introduction to Staining

  • Introduction to Staining
    02:10

Scientific Method

  • Scientific Method Example 1
    01:35
  • Basic Theories of Biology
    03:03
  • Scientific Method
    06:29

Introduction to Chemical Bonding

  • Intramolecular vs. Intermolecular Bonds
    04:01
  • Map of the Lesson on Chemical Bonding
    02:42
  • Introduction to Chemical Bonding
    06:53

Hydrogen Bonding

  • Hydrogen Bonding
    05:03

Introduction to Water

  • Introduction to Water
    01:54
  • Introduction to Water Example 1
    01:51
  • Introduction to Water
    01:29

Acids and Bases

  • Acids
    03:44
  • Acids and Bases
    01:29
  • Bases
    03:48

First-Line Defenses: Chemical Barriers

  • Chemical Defenses: Gastric Juice Prevents Microbial Growth by Lowering pH
    02:07
  • Chemical Defenses: Earwax Prevents Microbial Growth by Controlling pH
    02:18
  • Chemical Defenses: Sweat Glands Prevent Microbial Growth by Perspiration
    02:04

Proteins

  • Protein Structure
    08:02
  • Amino Acids
    04:37
  • Proteins
    02:50

Nucleic Acids

  • Nucleic Acids Example 2
    01:05
  • Formation & Breakdown of Nucleic Acids
    04:07
  • DNA vs. RNA
    05:57

ATP

  • Energy Coupling
    04:57
  • ATP
    06:44
  • Phosphorylation
    03:00

Overview of Prokaryotic Cell Structure

  • Overview of Prokaryotic Cell Structure
    05:59

Bacterial Cell Morphology & Arrangements

  • Types of Bacterial Cell Morphology
    02:44
  • Bacterial Cell Morphology & Arrangements
    01:13
  • Bacilli Bacterial Cell Arrangements
    03:56

The Glycocalyx: Capsules & Slime Layers

  • The Glycocalyx: Capsules & Slime Layers
    02:26
  • Capsules vs. Slime Layers
    01:53

Pili

  • Sex Pilus
    03:29
  • Cell Motility by Pili
    02:59
  • Pili
    01:02

Introduction to Prokaryotic Flagella

  • Types of Flagellar Distribution on Bacteria
    05:22
  • Introduction to Prokaryotic Flagella
    02:07

Prokaryotic Ribosomes

  • Prokaryotic Ribosomes
    01:51
  • Structure of Prokaryotic Ribosomes
    08:39

Endospores

  • Endospores
    05:35
  • Endospore Structure
    03:08

Introduction to Taxonomy

  • Introduction to Taxonomy Example 2
    01:37
  • Categorizing Life Based on Energy Acquisition
    06:14
  • Introduction to Taxonomy
    02:23

Scientific Naming of Organisms

  • Scientific Naming of Organisms
    05:22

Members of the Bacterial World

  • Members of the Bacterial World
    06:17

Introduction to Bacteria

  • Introduction to Bacteria
    06:18

Prokaryotic & Eukaryotic Cells

  • Recap:Prokaryotic vs. Eukaryotic Cells
    04:26
  • Prokaryotic & Eukaryotic Cells
    05:54
  • Features of Bacterial Cells
    03:54