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General Biology: Concepts, Processes, and Case Studies

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Scientific Method

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

Prokaryotic & Eukaryotic Cells

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

Introduction to Eukaryotic Organelles

  • Introduction to Eukaryotic Organelles
    03:45
  • Ribosomes
    06:51
  • Map of the Lesson on Eukaryotic Organelles
    02:43

Introduction to Membrane Transport

  • Map of the Lesson on Membrane Transport
    02:33
  • Introduction to Membrane Transport
    02:47
  • Which Molecules Freely Cross Membranes?
    07:10

Introduction to Energy

  • Thermodynamics: System vs. Surroundings
    04:21
  • Introduction to Energy
    04:58

Introduction to Aerobic Cellular Respiration

  • Introduction to Cellular Respiration Example 2
    01:53
  • Aerobic Cellular Respiration is a Redox Reaction
    04:18
  • Stages of Aerobic Cellular Respiration
    02:31

Glycolysis

  • Phases of Glycolysis
    06:20
  • Glycolysis Example 1
    01:29
  • Remembering Phases of Glycolysis
    02:49

Krebs Cycle

  • Krebs Cycle Example 1
    01:20
  • Krebs Cycle
    01:37
  • Phases of The Krebs Cycle
    09:54

Electron Transport Chain

  • Remembering the ETC
    04:43
  • Electron Transport Chain
    07:41

Introduction to Photosynthesis

  • Introduction to Photosynthesis
    03:32
  • Photosynthesis vs. Cellular Respiration
    07:55
  • Photosynthesis is a Redox Reaction
    03:20

Stages of Photosynthesis

  • Stages of Photosynthesis
    03:16
  • Map of the Lesson on Photosynthesis
    02:41

Calvin Cycle

  • 3 Phases of the Calvin Cycle (C3 Pathway)
    10:58
  • Calvin Cycle
    03:42

Introduction to Cell Division

  • Asexual vs. Sexual Reproduction
    04:45
  • Introduction to Cell Division
    09:40
  • Importance of Cell Division
    03:19

Phases of Mitosis

  • Phases of Mitosis
    03:21
  • Metaphase
    01:58
  • Prometaphase
    03:20

Introduction to Meiosis

  • Introduction to Meiosis Example 1
    01:43
  • Meiosis I & Meiosis II
    04:49
  • Introduction to Meiosis
    04:33

Meiosis I

  • Meiosis I
    07:55

Meiosis II

  • Meiosis II
    06:17

Mitosis & Meiosis Review

  • Mitosis & Meiosis Review Example 1
    01:27

Genes & Alleles

  • Genes & Alleles Example 1
    02:09
  • Genes & Alleles
    05:02
  • Haploid vs. Diploid Cells
    04:14

Genotype vs. Phenotype

  • Genotype & Phenotype
    06:36
  • Dominant vs. Recessive Alleles
    03:39

Punnett Squares

  • How to Use Punnett Squares
    07:05
  • Punnett Squares
    01:37

Mendel's Experiments

  • Self-Fertilization Experiment: True-Breeding vs. Hybrid Plants
    05:48
  • Mendel's Experiments
    03:02
  • Cross-Fertilization Experiment: Dominant vs. Recessive Alleles
    05:04

Mendel's Laws

  • Mendel's Laws
    01:16
  • Law of Segregation
    03:24
  • Law of Independent Assortment
    06:44

Dihybrid Crosses

  • Dihybrid Crosses
    02:37
  • Dihybrid Crosses & Punnett Squares
    03:34

Mutations

  • Mutations
    02:29
  • Types of Mutations
    08:44

Introduction to DNA Replication

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

DNA Polymerases

  • DNA Polymerase Requirements
    05:03
  • DNA Polymerases
    04:01

Steps of DNA Replication

  • Steps of DNA Replication
    09:29

Central Dogma

  • Central Dogma
    05:45

Introduction to Transcription

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

Steps of Transcription

  • 3) Termination of Transcription
    02:44
  • 1) Initiation of Transcription
    04:16
  • 2) Elongation of Transcription
    04:01

Introduction to Types of RNA

  • Introduction to Types of RNA
    07:20

Genetic Code

  • How to Use the Genetic Code
    11:39
  • Genetic Code
    01:28

Introduction to Translation

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

Steps of Translation

  • 2) Elongation of Translation
    04:59
  • 3) Termination of Translation
    02:16
  • 1) Initiation of Translation
    05:03

Review of Transcription vs. Translation

  • Review of Transcription vs. Translation
    04:07

Introduction to Population Ecology

  • Factors Affecting Population Size (N)
    01:48
  • Population Size & Density
    01:52
  • Introduction to Population Ecology Example 3
    01:51

Introduction to Evolution and Natural Selection

  • 가이드 코스
    Introduction to Evolution and Natual Selection Example 1
    03:22
  • 가이드 코스
    Introduction to Evolution and Natual Selection Example 2
    04:28
  • 가이드 코스
    Typological vs. Population Thinking
    03:56

Natural Selection

  • 가이드 코스
    Natural Selection Example 2
    05:11
  • 가이드 코스
    Natural Selection: Observations and Inferences
    04:12
  • 가이드 코스
    Natural Selection Example 1
    02:19

Evolution of Populations

  • 가이드 코스
    Evolution of Populations Example 1
    03:33
  • 가이드 코스
    Introduction to Evolution of Populations
    05:14

Genetic Variation

  • 가이드 코스
    Sources of Genetic Variation
    02:16
  • 가이드 코스
    Sexual Reproduction and Recombination
    05:08
  • 가이드 코스
    Mutations
    06:42

Genetics and Allele Frequencies

  • 가이드 코스
    Allele Frequencies
    06:36
  • 가이드 코스
    Mendelian and Population Genetics
    04:26
  • 가이드 코스
    Genetics and Allele Frequencies Example 1
    02:56

The Hardy-Weinberg Principle

  • 가이드 코스
    Predicting Allele or Genotype Frequencies Using Hardy-Weinberg
    03:31
  • 가이드 코스
    Testing if a Population is in Hardy-Weinberg Equilibrium
    08:26
  • 가이드 코스
    B. Calculating Allele Frequency from a Genotype Frequency
    03:20

Non-Random Mating

  • 가이드 코스
    Non-Random Mating
    04:09
  • 가이드 코스
    Non-Random Mating Example 1
    04:19

Genetic Drift

  • 가이드 코스
    Genetic Drift Example 1
    02:00
  • 가이드 코스
    Genetic Drift Example 2
    02:37
  • 가이드 코스
    Genetic Drift
    05:06

Gene Flow

  • 가이드 코스
    Gene Flow Example 1
    04:34
  • 가이드 코스
    Gene Flow
    01:43

Introduction to Speciation

  • 가이드 코스
    Introduction to Speciation
    03:03

The Biological Species Concept

  • 가이드 코스
    The Biological Species Concept Example 3
    02:15
  • 가이드 코스
    Prezygotic Barriers
    05:18
  • 가이드 코스
    The Biological Species Concept Example 1
    01:27

Allopatric and Sympatric Speciation

  • 가이드 코스
    Allopatric and Sympatric Speciation
    02:46
  • 가이드 코스
    Allopatric and Sympatric Speciation Example 1
    04:25
  • 가이드 코스
    Allopatric Speciation
    03:53

Introduction to DNA-Based Technology

  • Map of DNA-Based Technology Lesson
    03:12
  • Introduction to DNA-Based Technology
    02:30

Introduction to DNA Cloning

  • Introduction to DNA Cloning
    02:25
  • Cloning with Recombinant DNA
    03:41

Steps to DNA Cloning

  • Steps to DNA Cloning
    04:42
  • 1b) Use Ligation Enzymes
    04:58
  • 1a) Use Restriction Enzymes
    03:27

Introduction to Polymerase Chain Reaction

  • Introduction to Polymerase Chain Reaction
    01:31
  • Components of a Polymerase Chain Reaction
    05:57
  • Why do we use PCR?
    02:53

The Steps of PCR

  • 1) Denaturation
    03:33
  • 2) Annealing
    02:56
  • The Steps of PCR
    04:39

Gel Electrophoresis

  • Gel Electrophoresis
    07:58
  • Gel Electrophoresis Example 1
    02:34

DNA Fingerprinting

  • Short Tandem Repeats (STRs)
    03:41
  • DNA Fingerprinting
    03:30

Introduction to Ecology

  • Levels of Ecological Study
    05:01
  • Introduction to Ecology Example 1
    02:31
  • Environment vs. Habitat vs. Niche
    01:57

Introduction to Community Ecology

  • Introduction to Community Ecology
    02:03

Introduction to Community Interactions

  • Overview: Types of Community Interactions
    02:55
  • Introduction to Community Interactions Example 1
    02:23
  • Introduction to Community Interactions
    01:57

Community Interactions: Competition (-/-)

  • Resource Partitioning (Partial Niche Overlap)
    03:57
  • Competitive Exclusion Principle (Complete Niche Overlap)
    04:23
  • Community Interactions: Competition (-/-) Example 1
    04:23

Community Interactions: Exploitation (+/-)

  • 1) Exploitation (+/-): Predation
    01:42
  • 3) Exploitation (+/-): Parasitism
    02:37
  • Community Interactions: Exploitation (+/–)
    00:49

Community Interactions: Mutualism (+/+) & Commensalism (+/0)

  • Positive Interactions
    02:56
  • Summary of Community Interactions
    01:52

Community Structure

  • Community Structure Example 3
    02:22
  • Community Structure Example 1
    03:37
  • Community Structure
    04:25

Community Dynamics

  • Disturbances Make Communities Dynamic
    03:37
  • Secondary Ecological Succession
    02:31
  • Effects of Early-Arriving Species on Late-Arriving Species
    01:34

Geographic Impact on Communities

  • What is the Island Equilibrium Model?
    03:48
  • Geographic Impact on Communities Example 2
    03:54
  • Geographic Impact on Communities
    03:35

Introduction to Ecosystems

  • Grazing & Detritus-Based Food Chains
    03:29
  • Introduction to Ecosystems Example 2
    01:57
  • Introduction to Ecosystems
    04:07

Energy Flow Through Ecosystems

  • Gross Productive Energy vs. Assimilated Energy
    05:28
  • Energy Efficiency in Ecosystems
    06:28
  • Energy Flow Through Ecosystems Example 2
    07:07

Biogeochemical Cycles

  • Biogeochemical Cycles Example 2
    02:40
  • Carbon Cycle
    04:20
  • Nitrogen Cycle
    08:32

Conservation Biology

  • Biodiversity Hotspots and Endangered Species
    04:32
  • Biodiversity and Sustainability
    05:06
  • Pollution and Climate Change
    03:36