cells Archive

Video: Prokaryotic versus Eukaryotic Cells

Is a cell prokaryotic or eukaryotic? What’s the difference? In this short animation we take a look at the differences, and similarities, between these two types of cells and explore the evolutionary relationship between the …
cancer cells

Starving Cancer Cells to Death

Cancer is basically the inability of the body to control the division of its own cells. This is caused by mutations in the DNA of a cell that causes it to lose its normal identity …
Science news for Feb 15th

Science News Update: February 15th

Science News for the Science Classroom This week’s  science news update focuses on origins – the origins of Native Americans, early stars, multicellular life, and a possible pushback on the origins of vertebrates. We haven’t …
Video: How do Membrane Channel Proteins Work?

Video: How do Membrane Channel Proteins Work?

The generation of action potentials across a membrane is often a confusing topic, with sodium and potassium ions moving in different directions at different times. Understanding this process is even more difficult if you don’t …
cell cycle

What is the link between BRCA1 and cancer?

The announcement that Angelia Jolie has undergone a double mastectomy to reduce her chances of developing breast cancer has many people wondering what  BRCA1 is and how it relates to breast cancer. It is important …