Respiratory System: Differences Between the Left and Right Lung
What are the differences between the left lung and right lung? Here, we detail quick and easy to learn summary points of the right lung vs left lung. Left vs Right Lung
Seven General Functions of the Respiratory System
What is the respiratory system? In general, the respiratory system is a biological system that contains organs and structures that assist in gas exchange. Gas exchange involves the movement of carbon dioxide and oxygen between our circulating blood and air. In this educational lesson, we explore seven general functions of our respiratory system.
Intracellular Digestion vs. Extracellular Digestion
Intracellular Digestion vs Extracellular Digestion. What’s the Difference Between the Two Types of Digestion? In this article, we explore the definitions and difference between Intracellular and Extracellular Digestion.
Ectoderm vs Endoderm vs Mesoderm
Ectoderm, Endoderm, and Mesoderm: What do the 3 Germ Cell Layers Give Rise To? Definitions, Table, and Easy Mnemonics for the 3 Germ Cell Layers
Evolution: Homology vs Homoplasy
Lovely, isn’t she? (Yes, the furry one above.) She’s Your 65-Million-Year-Old Mother. Through modern computer analysis and evolutionary data, Maureen O’Leary a researcher from Stony Brook University and her colleagues discovered the last known common ancestor of placentals (Scientific American). Modern placentals include animals such as whales, bats, […]
Evolution: Phylogeny and Platypuses
I know. Platypuses. I’m sure 75% of the people who are reading this post (or sentence for that matter) were attracted to the content of “platypuses.” No worries, the title is not misleading. This is about platypuses. And evolution. Ornithorhynchus anatinus or also known as the platypus is […]
Evolution: Phylogenetic Tree Interpretation Basics
In this lesson, we explain an easy 5-step quick guide on the basics of how to interpret phylogentic evolutionary trees.
Natural Selection in Action: Darwin’s Finches
We explore natural selection in action with the evolution of Darwin’s Finches, Peter Grant and Rosemary Grant’s research on the Galapagos Islands
Introduction to Evolution: Charles Darwin and Alfred Russel Wallace
An Introduction to Evolution and Natural Selection: the history behind it with famous evolutionists Charles Darwin and Alfred Russel Wallace
Gene Mutations in Drosophila Embyrogenesis: Gap Genes, Pair Rule Genes, and Segment Polarity Genes
In this lesson, we explore the essential gene mutations on Drosophila flies during development and their embryology effects: gap genes, pair rule genes, and segment polarity genes.
Light Microscopes, Indirect Immunofluorescence (IMF), GFP
Telling the difference between light microscopes, electron microscope, and indirect immunofluorescence (IMF).
Transcription: Start and Stop
Where does DNA transcription start and stop? In this lesson, we explain how DNA transcription works, the start and stop of transcription, and the 3 major transcription steps.
Transcription in Bacteria
How does DNA transcription work in bacteria and prokaryotes? In this lesson, we explain how bacterial transcription works and its 3 basic steps: initiation, elongation, and termination.
Size Scales of Cell Biology
This lesson discusses the size scales relevant to cell biology.
Biology 101: The 7 Characteristics of Living Things and the Origin of Life
What makes something living? What are the characteristics of living things? All life has a common origin, but how do we know? This lesson examines various characteristics that define life and the origin of life. Various famous scientists and their biological discoveries are also discussed.
Cell Membrane Fluidity: Factors That Influence and Increase the Cell Membrane Fluidity
The cell membrane is a mosaic and fluid structure. This lesson explains the factors that affect cell membrane fluidity, increase and decrease membrane fluidity of the phospholipid bilayer.
Moosmosis 
