All articles about Lessons

The cytoskeleton | Structure of a cell | Biology | Khan Academy

The cytoskeleton | Structure of a cell | Biology | Khan Academy

– (Voiceover) When we first learn about cells, because of the visualizations that we often see in textbooks or even … More The cytoskeleton | Structure of a cell | Biology | Khan Academy

3 tricks for learning English – prepositions, vocabulary, structure

3 tricks for learning English – prepositions, vocabulary, structure

Hi. James from www.engvid.com. I’d normally be reading, but I’m putting my finishing touches on. Our expensive prop department — … More 3 tricks for learning English – prepositions, vocabulary, structure

English Vocabulary & Expressions with HOUSE and HOME

Hello. My name is Emma, and in today’s video, I am going to teach you many, many new expressions. Okay? … More English Vocabulary & Expressions with HOUSE and HOME

Overview of protein structure | Macromolecules | Biology | Khan Academy

Overview of protein structure | Macromolecules | Biology | Khan Academy

– [Voiceover] We’ve already spent a lot of time talking about proteins, and how they do a huge variety of … More Overview of protein structure | Macromolecules | Biology | Khan Academy

Asking Questions in English | Question Structure | Fix Your Grammar Mistakes!

Asking Questions in English | Question Structure | Fix Your Grammar Mistakes!

Hello, I’m Emma from mmmEnglish! Asking questions and giving answers are the basics of great conversation, in English and in … More Asking Questions in English | Question Structure | Fix Your Grammar Mistakes!

#04 Biochemistry Protein Primary/Secondary Structure Lecture for Kevin Ahern’s BB 450/550

#04 Biochemistry Protein Primary/Secondary Structure Lecture for Kevin Ahern’s BB 450/550

Kevin Ahern: … have a good weekend? Anybody remember it? Or did it just go [makes swooshing noise] and it … More #04 Biochemistry Protein Primary/Secondary Structure Lecture for Kevin Ahern’s BB 450/550