Olevel And A Level Biology powerpoint presentations

Following is the collection of presentations for O-Level and A-level Biology courses.

Right Click on the respective subtopic and select Save as and your target folder to download the PowerPoint presentation.

Biochemistry

• Biochemistry
• Powerpoint Presentation: Biochemistry
• Powerpoint Presentation: Proteins
• Water
• Enzymes
• Powerpoint Presentation: Enzymes
• Enzyme Mechanism

Factors Affecting Enzymes

• Substrate concentration
• pH
• Temperature
• Inhibitors
• Powerpoint Presentation: Enzyme Inhibition
• Enzymes and Homeostasis
• Enzymes and Biotechnology
• Powerpoint Presentation: Enzymes and Biotechnology
• Catalase
• Haemoglobin
• The Steroids

Molecular Genetics

• The Chemical Nature if the Gene
• The Nucleic Acids
• Powerpoint Presentation: The Nucleic Acids
• Powerpoint Presentation: DNA Supercoiling
• The Gene
• Powerpoint Presentation: The Gene
• Ribonucleic Acid (RNA)
• The Characteristics of the Genetic Code
• The Genetic Code
• Gene Expression
• Powerpoint Presentation: Gene Expression
• Translation
• Powerpoint Presentation: Translation
• The lac Operon
• Powerpoint Presentation: The Lac Operon
• Gene Mutations
• Powerpoint Presentation: Gene Mutations
• Genetic Engineering
• Powerpoint Presentation: Genetic Engineering
• Electrophoresis
• Powerpoint Presentation: Gel Electrophoresis
• Powerpoint Presentation: Molecular Genetics
• Powerpoint Presentation: Polymerase Chain Reaction

Respiration

• Introduction : Energy in Food
• Powerpoint Presentation: Respiration and Energy
• Glycolysis
• Kreb's Cycle
• Powerpoint Presentation: Respiration and the Kreb's Cycle
• The Electron Transport Chain
• Powerpoint Presentation: Respiration and the Electron Transport Chain
• Anaerobic Respiration
• Powerpoint Presentation: Anaerobic Respiration
• Photosynthesis and Respiration
• The Respiratory Quotient and Respirometers

Photosynthesis

• Classifying organisms according to their carbon source and energy supplies
• Photosynthesis : The Development of Ideas
• Powerpoint Presentation: Photosynthesis Introduction
• The light dependent reaction
• Powerpoint Presentation: Light Dependant Reaction
• The light dependent reaction : Summary
• Chlorophyll in the chloroplast
• Chlorophyll and photosynthesis
• Carbon fixation : The light independent reaction
• Powerpoint Presentation: Carbon Fixation
• Photosynthesis overview

Cells

• Powerpoint Presentation: Surface Area to Volume Ratio
• Powerpoint Presentation: The Nucleus
• Cells
• Powerpoint Presentation: The Cell Theory
• Powerpoint Presentation: From Molecules to Cells
• Cell Structure
• Powerpoint Presentation: Extra-Cellular Components
• The Light Microscope and the Electron Microscope
• Powerpoint Presentation:The Light Microscope and the Electron Microscope
• Eukaryote Cell Ultrastructure
• Powerpoint Presentation: Ultrastructure
• The Plant Cell Wall
• Membrane Transport Proteins
• Powerpoint Presentation: Biological Membranes
• Powerpoint Presentation: Pore Proteins

Homeostasis

• Homeostasis : Introduction
• Powerpoint Presentation: Homeostasis
• The hormone pathway
• Thermoregulation
• Powerpoint Presentation: Thermoregulation
• The Pancreas, Insulin and Glucagon Fact Sheet
• The homeostatic control of blood glucose levels
• Powerpoint Presentation: Regulating Blood Sugar
• Homeostatic control of water balance
• Powerpoint Presentation: Osmoregulation
• Powerpoint Presentation: The Kidney

Animal Physiology

• Powerpoint Presentation: The Heart
• Powerpoint Presentation: Blood
• Powerpoint Presentation: Blood Vessels
• The Nervous System and Movement
• Muscle contraction
• The Nerve Impluse
• Powerpoint Presentation: The Nerve Impulse
• The Synapse
• Powerpoint Presentation: The Synapse
• The Major Factors controlling the Heartbeat
• Defence Against Disease
• Reproduction
• Digestion
• The Alimentary Canal or Gut

Plant Physiology

• Plants and Water
• Mineral Nutrition in Plants
• Floral Formulae
• Powerpoint Presentation: Flower Structure
• Photoperiodism
• Powerpoint Presentation: Photoperiodism
• Powerpoint Presentation: Phototropism
• Seeds and their Germination
• Powerpoint Presentation: Seed Germination

Ecology

• Ecology : Introduction
• Powerpoint Presentation: Ecology
• The competitive exclusion principle
• Ecological Succession: Lake - Woodland Transition
• Populations and Sampling
• Modelling Population Growth
• Powerpoint Presentation: Populations Models
• Biodiversity and conservation
• What can be done to stop the loss of biodiversity?
• Conservation Alternatives
• Powerpoint Presentation: Conservation
• Powerpoint Presentation: Fishing
• The Carbon Cycle
• Powerpoint Presentation: The Carbon Cycle
• The Nitrogen Cycle Flow Chart
• The Nitrogen Cycle
• Powerpoint Presentation: The Nitrogen Cycle
• Eutrophication
• Methanogens and Biogas
• Powerpoint Presentation: Methanogens and Biogas
• Powerpoint Presentation: Global Warming
• Powerpoint Presentation: Ozone Hole

Ecology : Field Trip to Correze

• Estimating the size of a Population of Plant Species
• Transects
• Transects : The Site : Lac Charneuve
• Collecting Abiotic Data along a Transect
• Collecting Abiotic Data at a Sampling Site
• Comparing the Relationship between two Abiotic Factors
• Checking your RAM memory and Archives
• Getting Started with the CBL2 Interface
• Using the Ti Programmable Calculator for Statistics
• The Mann-Whitney U-Test (opens in a new window)
• Critical Values for the Mann-Whitney U-test (opens in a new window)

Evolution

• The origins of life
• Powerpoint Presentation: The Origins of Life
• Powerpoint Presentation: The Origins of Life: Other Ideas
• Powerpoint Presentation: The First Cells
• Evolution and Fixity
• Powerpoint Presentation: Evolution and Fixity
• Natural selection
• Powerpoint Presentation: Natural Selection
• Powerpoint Presentation: Natural Selection and Alleles
• Lamarkian Evolution
• Powerpoint Presentation: Lamark
• Antibiotic Resistance
• Powerpoint Presentation: Antibiotic Resistance
• Industrial melanism
• Palaeontology : The study of fossils
• Powerpoint Presentation: Palaeontology
• The C-14 Decay Curve
• In Search of Deep Time
• Evolution of the Horse
• Powerpoint Presentation: Evolution of the Horse
• Punctuated Equilibrium
• Powerpoint Presentation: Punctuated Equilibrium
• The classification of living organisms : Taxonomy
• Powerpoint Presentation: Plant Diversity
• Powerpoint Presentation: Taxonomy
• Kingdoms
• Humans: Neotonous, bipedal African apes
• The Hominids
• Powerpoint Presentation: The Primates
• Powerpoint Presentation: The Hominids
• The Changing Trees of Human Evolution
• Powerpoint Presentation: The Changing Trees of Human Evolution
• Genetic verses Cultural Evolution
• Powerpoint Presentation: Genetic v. Culural Evolution
• Phenylketonuria (PKU) fact sheet
• Powerpoint Presentation: Phenylketonuria
• Cystic Fibrocis (CF) Fact Sheet
• Powerpoint Presentation: Cystic Fibrocis
• Powerpoint Presentation: Cladistics
• Powerpoint Presentation: Population Genetics