BIOLOGY VIDEO LECTURES

How to Micropipette and Load a Gel


Microevolution

Natural Selection 

Speciation 

Mutations and Artificial Selection  

Modes of Natural Selection

Genetic Drift                                             

Microevolution



Macroevolution

Evidence for evolution                            

and Evolution continues

Origin of life                                              

Abiogenesis

Coevolution                                                                  




Chemistry of Life

Properties of Water

​Elements of Life

Carbohydrates                         


Cellular Energy

Enzymes                               

ATP and Cellular Energetics

Life requires free energy             

Gibbs free energy 

Using Gibbs free energy               

Energy, Enzymes and Metabolism I

Energy, Enzymes and Metabolism II





Cell Structure and Function

Cell Structure and Function

The Endomembrane System

Mitochondria and Chloroplasts

The Plasma Membrane and Cell Size

Tonicity, Osmoregularity and Water Potential

ER and Golgi apparatus                    

Lysosomes, peroxisomes, vacuoles, vesicles

Cytoskeleton                                      




Cellular Communication and Cell Cycle


Cellular Communication

Signal Transduction Pathways

Evolution of Cell Communication

Effects of Changes in pathways



DNA, Replication, Cell Cycle, Meiosis, Mitosis, and Protein Synthesis


DNA and RNA Part I                             

DNA and RNA Part II                         

What is DNA                                              

DNA Replication

Cell Cycle Mitosis and Meiosis               

What are Chromosomes

Transcription and RNA Processing  

Translation             



                                                                            Genetics

Mendelian genetics

Beginners Guide to Punnett Squares

Advanced Genetics

Chromosomal Genetics

Chromosomal Inheritance

Gene Regulation

Epigenetics

Genetic Recombination and gene Mapping

Genotype Expression

Genotypes and Phenotypes

Linked Genes



Gene Expression and Regulation

Eukaryotic Gene Regulation 

Molecular Biology


Body Systems

Introduction to the Nervous System  

The Neuron Part I

The Neuron Part II   

What Happens at a Synapse

The Central Nervous System

Sensory System 

Digestion Part I    

Digestion Part II

The Immune System Part I    

The Immune System Part II

Positive and Negative feedback loops 

Plants

Plant Transport and Tissues                        

Plant Tropisms and Photoperiods    

Ecology

Introduction to Ecology and symbiotic relationships

Food chains food webs and trophic levels

Roles of species in ecosystems

Importance of Biodiversity

Weather climate and biomes

Rain forest, deciduous forest and grasslands

Deserts and coniferous forests

Water and carbon cycles

Nitrogen, sulfur and phosphorus cycles

Freshwater Ecosystems

Saltwater Ecosystems