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Comprehensive Introduction to Biology: Key Concepts and Processes

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Introduction to Biology

  • Unicellular vs. Multicellular
    02:09
  • Introduction to Biology
    02:54
  • Introduction to Biology Channel
    1:28

Characteristics of Life

  • Characteristics of Life
    09:26
  • Characteristics of Life Example 1
    02:59

Scientific Method

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

Carbon

  • Carbon is an Excellent Building Block
    03:35
  • Carbon
    04:19

Introduction to Biomolecules

  • Introduction to Biomolecules
    01:17
  • Map of the Lesson on Biomolecules
    01:29

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

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

Biological Membranes

  • Biological Membranes Example 1
    02:21
  • Biological Membranes
    06:04

Concentration Gradients and Diffusion

  • Diffusion
    02:44
  • Concentration Gradients and Diffusion
    04:51

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

Passive vs. Active Transport

  • Classes of Membrane Transport Proteins
    03:28
  • Passive vs. Active Transport
    04:18

Osmosis

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

Introduction to Energy

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

ATP

  • Energy Coupling
    04:57
  • ATP
    06:43
  • Phosphorylation
    03:

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

Review of Photosynthesis

  • Recap Map of Photosynthesis
    08:50
  • Review of Photosynthesis Example 1
    02:06

Genetics and Allele Frequencies

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

Mitosis & Meiosis Review

  • Mitosis & Meiosis Review Example 1
    01:27

Natural Selection and Evolution

  • Natural Selection Causes Adaptation
    07:48
  • Adaptation Improves Fitness
    02:57
  • Evolution can Occur Via Natural Selection
    04:32

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 Taxonomy

  • Introduction to Taxonomy Example 2
    01:37
  • Categorizing Life Based on Energy Acquisition
    05:48
  • Introduction to Taxonomy
    02:23