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General Biology: Major Topics and Chapter Overview

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Characteristics of Life

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

Prokaryotic & Eukaryotic Cells

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

Introduction to Biomolecules

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

Introduction to Cell Signaling

  • Introduction to Cell Signaling
    05:03
  • 3 Steps of Cell Signaling
    04:37

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

Introduction to Photosynthesis

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

Introduction to Cell Division

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

Genes & Alleles

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

Introduction to Meiosis

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

Introduction to Mendel's Experiments

  • Why Pea Plants?
    01:58
  • Introduction to Mendel's Experiments
    03:50

Introduction to DNA Replication

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

Central Dogma

  • Central Dogma
    05:45

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

Mutations

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

Introduction to Regulation of Gene Expression

  • Positive vs Negative Gene Regulation
    02:17
  • Introduction to Regulation of Gene Expression
    06:40

Introduction to DNA-Based Technology

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

Introduction to Evolution and Natural Selection

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

Natural Selection

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

Evolution of Populations

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

Introduction to Speciation

  • Introduction to Speciation
    03:03

The Fossil Record

  • Biases in the Fossil Record
    03:17
  • Fossils
    03:54
  • The Fossil Record Example 1
    02:59

History of Life on Earth

  • History of Life on Earth Example 1
    04:53
  • Geologic Record
    07:18

Adaptive Radiation

  • Developmental Genes & Regulation
    06:12
  • Cambrian Explosion
    05:10
  • Adaptive Radiation Example 1
    06:17

Introduction to Phylogeny

  • Binomial Nomenclature
    02:32
  • Systematics
    06:57
  • Introduction to Phylogeny Example 1
    01:31

Introduction to Prokaryotes

  • Introduction to Archaea
    04:39
  • Prokaryotic & Eukaryotic Cells
    05:54
  • Features of Bacterial Cells
    03:54

Land Plants

  • Land Plants - 4
    06:17
  • Land Plants - 2
    12:57
  • Land Plants - 3
    03:36

Fungi

  • Fungi - 1
    08:59
  • Fungi - 2
    09:57

Overview of Animals

  • Overview of Animals - 2
    06:59
  • Overview of Animals - 5
    04:57
  • Overview of Animals - 3
    12:01

Roots and Shoots

  • Phenotypic Plasticity
    06:58
  • Plant Cells Review
    05:29
  • Shoots and Leaves
    05:46

Tissues

  • Epidermal and Ground Tissue
    05:39
  • Ground Tissue Cells
    04:03
  • Vascular Tissue
    06:58

Growth

  • Root Growth
    05:29
  • Primary Meristems
    07:52
  • Secondary Growth
    06:52

Water Potential

  • How Water Enters Xylem
    07:59
  • Cohesion-Tension Theory
    05:59
  • Water Potential
    11:32

Soil and Nutrients

  • Ion Exclusion
    04:51
  • Soil Nutrients
    03:25
  • Cation Exchange
    06:26

Nitrogen Fixation

  • Nitrogen Cycle
    06:31
  • Nodules
    09:47

Flowers

  • Flower Anatomy
    04:08
  • Alteration of Generations
    05:18
  • Double Fertilization
    07:44

Seeds

  • Germination
    05:30
  • Embryogenesis
    04:58
  • Fruit
    03:49

Phototropism

  • Photomorphogenesis
    12:53
  • Auxin
    10:46
  • Signal Transduction and Response
    06:56

Tropisms and Hormones

  • Thigmotropism and Cytokinins
    05:19
  • Plant Hormones and Senescence
    08:18
  • Gravitropism
    05:39

Plant Defenses

  • Herbivore Defenses
    05:37
  • Pathogen Defenses
    08:59

Animal Tissues

  • Muscle and Epithelial Tissues
    03:16
  • Tissues and Organs
    05:37
  • Animal Physiology and Fitness Trade-Offs
    10:26

Metabolism and Homeostasis

  • Surface Area to Volume Ratio
    07:47
  • Feedback Regulation
    08:57
  • Homeostasis
    11:49

Thermoregulation

  • Countercurrent Exchange
    06:28
  • Thermoregulation
    09:51

Digestion

  • Digestion and Digestive Tracts
    05:11
  • Mouth and Esophagus
    06:37
  • Nutrient Absorption
    19:59

Blood Sugar Homeostasis

  • Blood Sugar Homeostasis
    07:01

Circulatory and Respiratory Anatomy

  • Lymphatic System
    02:15
  • Lung Anatomy
    06:24
  • Gas Exchange and Circulation
    06:28

Heart Physiology

  • Cardiovascular Disease
    07:53
  • Heart Physiology
    05:13
  • Cardiac Cycle
    05:37

Gas Exchange

  • Diffusion of Gases
    07:48
  • Gas Exchange and Breathing
    05:55
  • Air Movement and Partial Pressure
    08:52

Immune System

  • Immune System
    09:33

Innate Immunity

  • Innate Immune Response
    05:20
  • Inflammatory Response
    03:06
  • Innate Immune Cells
    06:47

Adaptive Immunity

  • Helper T Cells and B Cells
    04:06
  • Lymphocytes
    04:23
  • Immunization and Autoimmunity
    07:51

Osmoregulation and Excretion

  • Loop of Henle
    06:25
  • Glomerulus and Bowman's Capsule
    04:07
  • Active and Passive Transport
    06:32

Endocrine System

  • Hypothalamus and Pituitary
    03:34
  • Adrenal Glands
    06:17
  • Ovaries and Testes
    02:59

Animal Reproduction

  • Pregnancy and Birth
    04:09
  • Oogenesis
    04:28
  • Female Reproductive Anatomy
    07:19

Neurons and Action Potentials

  • Neurotransmitters
    12:47
  • Nervous System
    02:14
  • Postsynaptic Potentials and Summation
    05:33

Central and Peripheral Nervous System

  • Motor, Sensory, and Association Areas
    04:07
  • Cerebrum and Cerebral Cortex
    11:10
  • Peripheral Nervous System
    06:26

Sensory System

  • Inner Ear
    06:11
  • Sensory Receptors
    02:54
  • The Retina
    06:45

Musculoskeletal System

  • Motor Unit and Neuromuscular Junction
    03:14
  • Endoskeleton
    01:42
  • Muscle System and Skeleton
    02:08

Introduction to Ecology

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

Biogeography

  • Biogeography Example 2
    03:26
  • How Ecosystems Impact Species Distribution
    01:12
  • Biogeography Example 1
    02:43

Earth's Climate Patterns

  • Earth's Climate Patterns Example 1
    01:36
  • Earth's Climate Patterns Example 3
    01:36
  • Earth's Climate Patterns Example 5
    03:01

Introduction to Terrestrial Biomes

  • Introduction to Terrestrial Biomes Example 2
    01:29
  • Introduction to Terrestrial Biomes
    01:55
  • Introduction to Terrestrial Biomes Example 1
    00:49

Introduction to Aquatic Biomes

  • Zonation in Marine Biomes & Lakes
    04:38
  • Seasonal Turnover & Ocean Upwelling
    03:57
  • Introduction to Aquatic Biomes Example 3
    03:00

Animal Behavior

  • Migration and Altruism
    07:15
  • Mating and Parental Care
    03:59
  • Foraging
    04:50

Introduction to Population Ecology

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

Life History

  • Life History
    04:01
  • Life History: Population Reproductive Strategies
    02:51
  • Life History Example 1
    02:46

Population Demography

  • Life Tables
    03:49
  • Population Demography Example 1
    02:18
  • Survivorship Curves
    02:54

Factors Limiting Population Growth

  • Density-Dependent Factors
    02:37
  • Factors Limiting Population Growth
    00:51
  • Density-Dependent vs. Density-Independent Factors
    03:14

Introduction to Population Growth Models

  • Introduction to Population Growth Models Example 3
    02:52
  • Introduction to Population Growth Models
    01:09
  • Assumptions of Population Growth Models
    03:29

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 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

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