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
Duck, duck, goos- rabbit? This classic optical illusion above, also known as the famous rabbit-duck illusion, was utilized by experimental psychologist Joseph Jastrow in 1899. According to Jastrow, depending on our current state of emotions, our perceptions or interpretations of the picture may differ. Some see a duck. […]
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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Original Literary analysis essay of Do Androids Dream of Electric Sheep by Philip K. Dick
In this lesson, we explain an easy 5-step quick guide on the basics of how to interpret phylogentic evolutionary trees.
Science Rocks! on Quizlet and Moosmosis Global Education: Congratulations to our dedicated students and lifelong learners! Presenting Science Member of the Month Awards
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.
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.
This lesson discusses the size scales relevant to cell biology.
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.
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.