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Best Motivational Quotes: Don’t be pushed around by the fears in your mind. Be led by the dreams in your heart. – Roy T. Bennet
In this quick and easy lesson, we explain the shoulder muscles responsible for abducting the shoulder, the anatomy, the degrees of arm abduction for each shoulder muscle, and the nerves that innervate the shoulder abduction muscles.
USMLE Lesson on Biochemistry Nutrition: Zinc Deficiency, the functions of zinc, including its role as zinc fingers transcription factor motifs, and zinc deficiency symptoms
In this lesson, we explain the differences between flippase, floppase, and scramblase. Flippase vs Floppase vs Scramblase as lipid transporters in the cell membrane with Quick and Easy Explanation
In this lesson, we explain what types of molecules can pass through the cell plasma membrane and what are the factors that determine whether a molecule can cross a cell membrane: Quick and Easy Explanation on the Cell Membrane
In this quick and easy lesson, we explain what is the Cori cycle, how the Cori cycle works, what is its clinical significance, and where is the Cori cyle located: MCAT and USMLE medicine.
In this lesson, we will explain the differences between the upper and lower respiratory system and the differences between upper respiratory tract infections and lower respiratory tract infections.
What is the difference between Kwashiorkor and Marasmus? USMLE protein-energy malnutrition diseases; we explain the differences, including causes, symptoms, comparative medical charts.
Circulatory system – order of blood flow through the heart; Step by step Pathway of Blood Flow Through the Heart; Quick and easy to learn in 14 steps
History biography summary of Anton Van Leeuwenhoek and Robert Hooke, including their discoveries, cell theory as Fathers of Microbiology
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
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. 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, Endoderm, and Mesoderm: What do the 3 Germ Cell Layers Give Rise To? Definitions, Table, and Easy Mnemonics for the 3 Germ Cell Layers
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, […]
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In this lesson, we explain an easy 5-step quick guide on the basics of how to interpret phylogentic evolutionary trees.
We explore natural selection in action with the evolution of Darwin’s Finches, Peter Grant and Rosemary Grant’s research on the Galapagos Islands
An Introduction to Evolution and Natural Selection: the history behind it with famous evolutionists Charles Darwin and Alfred Russel Wallace
Circulatory System: Heart Structures and Functions; Blood flows through the heart in the following order: body –>inferior/superior vena cava –> right atrium –> tricuspid valve –> right ventricle –> pulmonary arteries –> lungs –> pulmonary veins –> left atrium –> mitral valve –> left ventricle –> aortic valve –> aorta –> body…
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.
Telling the difference between light microscopes, electron microscope, and indirect immunofluorescence (IMF).
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.