3: Proteins (A-Level)

This episode reviews the topic investigating biological molecules, including: How to test for the presence of reducing sugars, non-reducing sugars, starch, proteins and lipids. This episode is suitable for all examination boards but more specifically geared to AQA A-Level Biology ...  عرض المزيد

This episode reviews the topic of Lipids, including: the structure and the roles of Triglycerides and Phospholipids. This episode is suitable for all examination boards but more specifically geared to AQA A-Level Biology. 

In this episode, we’ll explore homeostasis, the process organisms use to maintain stable internal conditions. We’ll discuss how this regulation is essential for responding to changes in both internal and external environments. Using enzyme function as an example, we’ll ...

In this episode, Jamie explores the fascinating world of prokaryotic cells, focusing on their unique features such as plasmids, the absence of mitochondria and chloroplasts, and their distinctive way of storing genetic material.

This discussion is particularly valuable ...

Liz looks at thermoregulation for your GCSE Biology exam. In this episode, she will look at how the changes to body temperature are detected and what the responses to these temperature changes are. Liz looks at the role of receptors and blood vessels in thermoregulation. Perfe ...

In this episode, we look at transportation in cells. We will explain how substances move into and out of cells, highlighting three key mechanisms. Diffusion is described as the movement of particles from high to low concentration areas. Osmosis is presented as a specific type of ...  عرض المزيد