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Defines electronegativity and compares to electron affinity. Explains group and period trends in electronegativity using atomic radii. Chem…

Organic chemistry naming examples 4 Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understan…

How to name bicyclic compounds. Numbering the chain and Identifying bridgehead carbons. Organic chemistry Sal and Jay cover topics covered …

Using an amino acid translation table to understand the impact of point and frameshift mutations. High school biology DNA replication and p…

How does the gene pool contribute to biodiversity? Learn how genetic diversity within populations contributes to species survival. Video by…

Introduction to cilia, flagella and pseudopodia High school biology Basic cell structures We'll learn about the complex and beautiful struc…

Example of using table of standard reduction potentials to calculate standard cell potential. Chemistry Did you know that everything is mad…

Definition of formal charge, and how minimization of formal charge can help choose the more stable dot structure. Chemistry Did you know th…

Oxygen uptake by hemoglobin in red blood cells. Biology Life is beautiful! From atoms to cells, from genes to proteins, from populations to…

Biology Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosystems, biology is the study of the fascina…

High school biology The digestive and excretory systems Topic: Science Learn about all the sciences, from physics, chemistry and biology, t…

How sister chromatids separate to form gametes. Prophase II, metaphase II, anaphase II, telophase II. Biology Life is beautiful! From atoms…

Correcting the time difference calculation by taking into account that there is no year 0 Cosmology and astronomy It's a great, big univers…

Overview of the basics of glycolysis. Biology Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosystem…

Prokaryotic and eukaryotic cells. Bacteria and archaea. Biology Life is beautiful! From atoms to cells, from genes to proteins, from popula…