Inside the Cell Membrane

Inside the Cell Membrane

Captions are on! Click CC button at bottom right to turn off. Updates on Twitter (@AmoebaSisters) and Facebook! In my second year of teaching, I was looking to improve an osmosis lab I had had done the year previously. Osmosis, if you remember from our osmosis video, involves water traveling through a semi-permeable membrane. Potentially…

Viral Replication

Viral Replication

Hi. It’s Mr. Andersen and welcome to Biology Essentials video 35. This is on viral replication and this is a painting of Benjamin Franklin. Benjamin Franklin was always puzzled by things that he didn’t understand and one thing he didn’t understand was the common cold and what caused it. And so this is something he…

The Immune System

The Immune System

Hi. It’s Mr. Andersen and welcome to the immune system podcast. In this podcast I wanted to start with a little history. These are some beautiful illustrations from the Florentine Codex which is thousands of pages long. It was created over about 45 years by this guy, this friar. And basically what we did was…