Discover Biology, 3rd Edition
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Chapter 1: The Nature of Science and the Characteristics of Life
- Activity 1.1 - The scientific method
- Activity 1.2 - Shared characteristics of life
- Activity 1.3 - The biological hierarchy
Chapter 2: Organizing the Diversity of Life
Chapter 3: Major Groups of Living Organisms
- Activity 3.1 - The six kingdoms of life
- Activity 3.2 - Basics of the bacterial cell
- Activity 3.3 - The parts of the flower
- Tutorial 3.4 - Fungi digest food externally
- Activity 3.5 - How hyphae help fungi grow
- Activity 3.6 - Tissue layers of the jellyfish
- Activity 3.7 - Properties of multicellular eukaryotes
Interlude A: Applying What We Learned: Biodiversity and People
Chapter 4: Chemical Building Blocks
- Activity 4.1 - Temperature and molecular movement
- Activity 4.2 - Salt dissolving in water
- Tutorial 4.3 - Acids, bases, and pH
- Activity 4.4 - Building proteins from amino acids
- Activity 4.5 - Phospholipids form membranes
- Tutorial 4.6 - Heat changes protein structure: Frying an egg
- Process Animation 4.1 - Formation of Covalent Bonds
Chapter 5: Cell Structure and Compartments
- Activity: 5.1: Proteins embedded in the plasma membrane
- Activity: 5.2: Cell structure in animals
- Activity: 5.3: Cell structure in plants
- Activity: 5.4: Cell structure in bacteria
- Tutorial: 5.5: Vessicle budding and fusing
- Activity: 5.6: Energy transforming organelles: Mitochondria
- Activity: 5.7: Energy transforming organelles: Chloroplasts
- Activity: 5.8: Flagellar movement
- Tutorial: 5.9 Evolution of organelles
- Process Animation 5.1: Vessicle budding and fusing
Chapter 6: Membrane Structure and Transport
- Tutorial 6.1 - Active versus passive movement of molecules
- Activity 6.2 - Water gain and loss in plant and animal cells
- Activity 6.3 - Animal cell junctions
- Tutorial 6.4 - Signaling molecules
- Process Animation 6.1 - Active Transport
- Process Animation 6.2a - Exocytosis
- Process Animation 6.2b - Endocytosis
- Process Animation 6.3 - Signaling molecules
- Process Animation 6.4 - A Cell's Response to a Steroid Hormone
Chapter 7: Energy and Enzymes
- Tutorial 7.1 - Enzyme catalysis
- Activity 7.2 - The structure and synthesis of DNA
- Process Animation 7.1a - Process Animation: The Energy of Chemical Reactions
- Process Animation 7.1b - Process Animation: Heat and Chemical Reactions
- Process Animation 7.1c - Process Animation: Enzyme Catalysis
- Process Animation 7.1d - Process Animation: Enzymes and Activation Energy
Chapter 8: Photosynthesis and Respiration
- Tutorial 8.1 - Photosynthesis
- Tutorial 8.2 - Catabolism
- Process Animation 8.1a - Photosynthesis: The Flow of Energy
- Process Animation 8.1b - Photosynthesis: Overview of Reactions
- Process Animation 8.1c - Photosynthesis: The Light Reactions
- Process Animation 8.1d - Photosynthesis: Carbon Fixation Reactions
- Process Animation 8.2a - Catabolism: Glycolysis
- Process Animation 8.2b - Catabolism: The Citric Acid Cycle
- Process Animation 8.2c - Catabolism: Oxidative Phosphorylation
- Process Animation 8.2d - Catabolism: Aerobic versus Anaerobic Respiration
Chapter 9: Cell Division
- Tutorial 9.1 - The cell division cycle
- Tutorial 9.2 - Mitosis and cell division
- Tutorial 9.3 - Meiosis
- Activity 9.4 - The stages of meiosis
- Activity 9.5 - Compare mitosis and meiosis
- Process Animation 9.1 - The Cell Division Cycle
- Process Animation 9.2 - Mitosis and Cell Division
- Process Animation 9.3 - Meiosis
Interlude B: Applying What We Learned: Cancer: Cell Division Out of Control
- Activity B.1 - Development of Cancer
- Tutorial B.2 - Suppressing tumors by controlling cell division
- Tutorial B.3 - A strategy for combating cancer
Chapter 10: Patterns of Inheritance
- Activity 10.1 - Chromosomes and cells
- Activity 10.2 - Genetics terminology
- Activity 10.3 - Independent assortment
- Activity 10.4 - Linked inheritance versus independent assortment
- Activity 10.5 - Principles of probability
- Process Animation 10.1 - Chromosomes and Cells
- Process Animation 10.2 - The Punnett Square Method
Chapter 11: Chromosomes and Human Genetics
- Activity 11.1 - Chromosomes and fruit flies
- Activity 11.2 - Crossing over
- Tutorial 11.3 - Independent assortment and gamete diversity
- Tutorial 11.4 - Human pedigree analysis
- Activity 11.5 - Interactive Punnett square
Chapter 12: DNA
- Activity 12.1 - Griffith's experiments
- Tutorial 12.2 - The Hershey-Chase experiment
- Activity 12.3 - Building a DNA strand
- Tutorial 12.4 - DNA Replication
- Tutorial 12.5 - DNA Repair
- Process Animation 12.1a - DNA Repair: Mutations from DNA Replication
- Process Animation 12.1b - DNA Repair: Mutations from Sunlight
- Process Animation 12.2 - DNA Repair: The Hershey-Chase experiment
Chapter 13: From Gene to Protein
- Activity 13.1 - The flow of genetic information in a eukaryotic cell
- Activity 13.2 - Protein synthesis
- Tutorial 13.3 - Transcription
- Activity 13.4 - Transcription overview
- Tutorial 13.5 - Removal of introns from RNA
- Activity 13.6 - Build a protein from mRNA
- Tutorial 13.7 - Translation
- Tutorial 13.8 - Impact of DNA mutations on protein synthesis
- Process Animation 13.1 - The Flow of Genetic Information in a Eukaryotic Cell
- Process Animation 13.2 - Removal of Introns from RNA
- Process Animation 13.3 - Translation
Chapter 14: Control of Gene Expression
- Activity 14.1 - Structural organization of the chromosome
- Activity 14.2 - DNA packing in eukaryotes
- Tutorial 14.3 - The Tryptophan Operon
- Activity 14.4 - Control of Gene Expression in Eukaryotes
- Process Animation 14.1 - Control of gene expression in eukaryotes
- Process Animation 14.2 - The Tryptophan Operon
- Process Animation 14.3 - Structural organization of the chromosome
Chapter 15: DNA Technology
- Tutorial 15.1 - Genetic testing: Identifying the sickle-cell allele
- Tutorial 15.2 - Constructing a DNA library
- Activity 15.3 - The polymerase chain reaction
- Tutorial 15.4 - Human cloning
- Activity 15.5 - Genetic engineering
- Activity 15.6 - Gene therapy for ADA deficiency
- Process Animation 15.1 - Constructing a DNA library
- Process Animation 15.2a - Human Cloning: Therapeutic Cloning
- Process Animation 15.2b - Human Cloning: Reproductive Cloning
- Process Animation 15.3 - Genetic Engineering
- Process Animation 15.4 - Genetic testing: Identifying the sickle-cell allele
Interlude C: Harnessing the Human Genome
- Tutorial C.1 - Sequencing the human genome
- Tutorial C.2 - From tissue to test results
- Activity C.3 - Prenatal screening
Chapter 16: How Evolution Works
Chapter 17: Evolution of Populations
- Tutorial 17.1 - Gene flow
- Activity 17.2 - The Hardy-Weinberg equation
- Activity 17.3 - The three models of natural selection
- Tutorial 17.4 - The crisis in antibiotic resistance
- Process Animation 17.1 - The Hardy-Weinberg Equation
Chapter 18: Adaptation and Speciation
Chapter 19: The Evolutionary History of Life
- Activity 19.1 - The history of life on Earth
- Activity 19.2 - The history of life, part I
- Activity 19.3 - The history of life, part II
- Activity 19.4 - Continental drift
- Tutorial 19.5 - The causes of continental drift
Interlude D: Humans and Evolution
Chapter 20: Maintaining the Internal Environment
- Activity 20.1 - Relationship between surface area and volume
- Tutorial 20.2 - The human kidney
- Activity 20.3 - The Human Kidney
- Process Animation 20.1 - The human kidney
Chapter 21: Nutrition and Digestion
- Activity 21.1 - Digestion and absorption of food
- Activity 21.2 - The human digestive system
- Activity 21.3 - The typical digestive system
Chapter 22: Gas Exchange
- Activity 22.1 - Simple diffusion
- Activity 22.2 - Diffusion in air and in water
- Tutorial 22.3 - Hemoglobin picks up and delivers oxygen
- Process Animation - Respiration Occurs in Mitochondria
Chapter 23: Blood and Circulation
- Activity 23.1 - The human circulatory system
- Activity 23.2 - The parts of the human circulatory system
- Activity 23.3 - The human heartbeat
- Tutorial 23.4 - The cardiac cycle
- Tutorial 23.5 - Hearts and other pumps in animals
- Process Animation 23.1- The cardiac cycle
Chapter 24: Hormones
- Activity 24.1 - Hormone action through the circulatory system
- Activity 24.2 - The human endocrine system
- Tutorial 24.3 - Balancing glucose levels in the blood
- Activity 24.4 - Hormone control of the menstrual cycle
- Process Animation 24.1 - Balancing Calcium Levels in the Blood
- Process Animation 24.2 - Balancing Levels of Glucose in the Blood
Chapter 25: Nerves
- Tutorial 25.1 - Neurotransmitter release
- Activity 25.2 - How axons transmit signals
- Activity 25.3 - Neurotransmitter function
- Activity 25.4 - Organization of the human nervous system
- Tutorial 25.5 - Reflex arcs
- Activity 25.6 - The cerebral cortex
- Process Animation 25.1 - How axons transmit signals: Unmyelinated neuron
- Process Animation 25.2 - How axons transmit signals: Myelinated neuron
Chapter 26: The Senses
- Tutorial 26.1 - Receptors in the skin
- Activity 26.2 - The human ear
- Activity 26.3 - The human eye
- Process Animation 26.1 - The human ear
- Process Animation 26.2 - The human eye
Chapter 27: Muscles and Movement
- Activity 27.1 - The human skeleton
- Activity 27.2 - The human knee
- Tutorial 27.3 - Contraction of the biceps muscle
- Activity 27.4 - Competing muscles
- Activity 27.5 - Fast versus slow muscle fiber types
- Process Animation 27.1 - Competing Muscles
Chapter 28: Defense Against Disease
- Activity 28.1 - The vertebrate immune system
- Tutorial 28.2 - Recognizing and attacking invaders of the body
- Tutorial 28.3 - Why is AIDS so deadly?
- Process Animation 28.1- How Antibodies Work
Chapter 29: Reproduction and Development
- Activity 29.1 - Human reproductive systems
- Tutorial 29.2 - The production of male and female gametes
- Activity 29.3 - Structure of human sperm
- Tutorial 29.4 - The reproductive years
- Activity 29.5 - The placenta
- Tutorial 29.6 - Gastrulation
- Activity 29.7 - Human fetal development
- Activity 29.8 - Morphogens and fly development
- Process Animation 29.1 - Implantation in Mammalian Development
- Process Animation 29.2 - The Production of Male and Female Gametes
Interlude E: Smoking: Beyond Lung Cancer
- No activities
Chapter 30: Behavior
Chapter 31: Plant Structure, Nutrition, and Transport
- Activity 31.1 - How plants are built
- Activity 31.2 - How plants regulate water loss
- Activity 31.3 - Identify the parts of the vascular system of a plant
- Activity 31.4 - Leaf structure
- Tutorial 31.5 - Pressure flow in plants
- Tutorial 31.6 - Transport in xylem tissue
Chapter 32: Plant Growth and Reproduction
- Tutorial 32.1 - The life cycle of a flowering plant
- Activity 32.2 - Flowering plants
- Process Animation 32.1 - The life cycle of a flowering plant
Interlude F: Feeding a Hungry Planet
- No activities
Chapter 33: The Biosphere
- Tutorial 33.1 - Earth has four giant convection cells
- Tutorial 33.2 - A rain shadow
- Tutorial 33.3 - Terrestrial Biomes
- Activity 33.4 - Biomes and climate zones
Chapter 34: Growth of Populations
- Activity 34.1 - Unrestrained population growth
- Activity 34.2 - Restrained population growth
- Activity 34.3 - Predator-prey interactions
- Activity 34.4 - Population cycles
- Activity 34.5 - Human population growth
Chapter 35: Interactions among Organisms
- Activity 35.1 - Mutualism in action
- Activity 35.2 - Competition in action
- Tutorial 35.3 - Character displacement
- Process Animation 35.1 - Character displacement
Chapter 36: Communities of Organisms
Chapter 37: Ecosystems
- Activity 37.1 - An idealized energy pyramid
- Tutorial 37.2 - The sulfur cycle
- Tutorial 37.3 - The phosphorus cycle
- Process Animation 37.1 - How Ecosystems Work
Chapter 38: Global Change
- Activity 38.1 - Land transformation: A city growing over time
- Tutorial 38.2 - The nitrogen cycle
- Tutorial 38.3 - The carbon cycle
- Activity 38.4 - Are global temperatures rising?
Interlude G: Building a Sustainable Society
- No activities
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