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Human Biology Study Guide: Chapters 1–3 (Introduction, Chemistry of Life, Structure & Function of Cells)

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Introduction to Biology

  • Guided course
    Unicellular vs. Multicellular
    02:09
  • Guided course
    Introduction to Biology
    02:54

Characteristics of Life

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

Introduction to Taxonomy

  • Guided course
    Introduction to Taxonomy Example 2
    01:37
  • Guided course
    Kingdoms of the Eukarya Domain
    02:28
  • Guided course
    3 Domains of Life
    05:20

Life's Organizational Hierarchy

  • Guided course
    Life's Organizational Hierarchy Example 1
    03:05
  • Guided course
    Emergent Properties
    04:05
  • Guided course
    Life's Organizational Hierarchy
    09:50

Scientific Method

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    Scientific Method
    06:29
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    Predictions, Hypotheses, & Theories
    08:22
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    Basic Theories of Biology
    03:03

Atoms - Smallest Unit of Matter

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    Atoms- Smallest Unit of Matter Example 2
    01:43
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    Atoms- Smallest Unit of Matter Example 3
    03:51
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    Octet Rule
    02:52

Isotopes

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    Radioactive Isotopes
    02:37
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    Isotopes
    06:50

Introduction to Chemical Bonding

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    Introduction to Chemical Bonding Example 1
    1:59
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    Introduction to Chemical Bonding
    06:53
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    Intramolecular vs. Intermolecular Bonds
    03:53

Covalent Bonds

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    Covalent Bonds
    04:28
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    Polar Covalent Bonds
    06:59
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    Nonpolar Covalent Bonds
    06:41

Ionic Bonding

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    Ions: Anions vs. Cations
    04:34
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    Ionic Bonds
    06:07

Hydrogen Bonding

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    Hydrogen Bonding
    05:03

Introduction to Water

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    Emergent Properties of Water
    01:29
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    Introduction to Water Example 1
    01:51
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    Introduction to Water
    01:54

Properties of Water - The Universal Solvent

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    Properties of Water- The Universal Solvent
    06:20
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    Homogenous vs. Heterogenous Solutions
    02:19

pH Scale

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    pH Scale
    11:05
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    Buffers
    05:38

Carbon

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

Monomers & Polymers

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    Building & Breaking-Down Polymers
    04:19
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    Monomers & Polymers
    03:42

Carbohydrates

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    Carbohydrates
    04:53
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    Formation & Breakdown of Polysaccharides
    03:08
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    Carbohydrate Functions
    05:08

Lipids

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    Phospholipids
    04:05
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    Lipids
    04:19
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    Triglycerides
    03:48

Proteins

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    Proteins
    02:50
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    Denatured Proteins & Chaperones
    04:00
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    Protein Structure
    08:02

Nucleic Acids

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    5 Nitrogenous Bases
    07:21
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    Nucleotides
    05:35
  • Guided course
    Nucleic Acids Example 2
    01:05

ATP

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    Phosphorylation
    03:00
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    Energy Coupling
    04:57
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    ATP
    06:43

Prokaryotic & Eukaryotic Cells

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    Recap: Prokaryotic vs. Eukaryotic Cells
    04:26
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    Features of Bacterial Cells
    03:54
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    Features of Eukaryotic Cells
    04:17

Microscopes

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    Microscopes
    06:35
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    Types of Electron Microscopes
    02:52

Introduction to Eukaryotic Organelles

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

Endomembrane System: Protein Secretion

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    Nucleus
    06:32
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    Endoplasmic Reticulum
    06:07
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    Golgi Apparatus
    06:02

Endomembrane System: Digestive Organelles

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    Central Vacuole
    03:35
  • Guided course
    Lysosomes & Peroxisomes
    05:38

Mitochondria & Chloroplasts

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    Mitochondria & Chloroplasts Example 1
    01:29
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    Chloroplast Structure
    03:41
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    Chloroplasts
    03:16

Introduction to the Cytoskeleton

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    Cilia & Flagella
    03:15
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    Introduction to the Cytoskeleton
    06:05

Biological Membranes

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

Concentration Gradients and Diffusion

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    Diffusion
    02:44
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    Concentration Gradients and Diffusion
    04:51

Introduction to Membrane Transport

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

Osmosis

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    Environmental Tonicity Affects Cells
    10:15
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    Direction of Osmosis
    06:48
  • Guided course
    Osmosis Example 1
    02:18

Simple and Facilitated Diffusion

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    Transport Proteins of Facilitated Diffusion
    04:49
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    Simple and Facilitated Diffusion
    05:10

Passive vs. Active Transport

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

Active Transport

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    Active Transport Example 1
    03:08
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    Primary Active Transport: Na+/K+ Pump
    06:57
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    Active Transport
    02:37

Endocytosis & Exocytosis

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    Endocytosis and Exocytosis Example 1
    01:52
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    Endocytosis and Exocytosis
    02:02
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    Exocytosis Allows Exiting from the Cell
    02:28