Paul Andersen explains how signal transduction pathways are used by cells to convert chemical messages to cellular action. Epinephrine is used as a sample messenger to trigger the release of glucose from cells in the liver. The...

The endoplasmic reticulum is one important organelle in the cell responsible for many things including protein folding. In this video, we will cover its structure and function of the rough endoplasmic reticulum and smooth endoplasmic...

Learn how researchers at NIST are using the infamous tuberculosis bacteria to help answer the decades-old question of how genes are switched on and off.

Protein Purification Problem: SEC and pI

Neuron Biosignaling

In this video, we explore the biochemistry of hemoglobin A1c (HbA1c) and why it matters clinically for diabetes.

ATP Synthase Structure

In this episode, I go through the process of how rods and cones respond to light. I use Rods as an example and show how Rhodopsin, Transducin and Phosphodiesterase are involved in the process. Enjoy

ATP Synthase: Proton-powered Rotation

ATP Synthase Mechanism

Genetic Expression Set: 1. This clip introduces the process of gene expression, whereby information stored in the DNA of a gene is transcribed into messenger RNA and translated into a protein gene product.