Carbohydrates in one form or another are found in in very many foods.
Carbohydrates or "Carbs" are not only essential components of a balanced diet, providing energy and fibre, but can also provide th...
Some molecules exist in two forms - a left handed and right handed form.
Chemistry Nobel awarded for mirror-image molecules - BBC News Two scientists have been awarded the 2021 Nobel Prize in Chemistry for their work on bui...
Organic Reaction pathways OCRAQAEdexcel Aliphatic routes Aromatic routes Learn the reagents and changes Enter your text here ...
water expands when it freezes and ice therefore floats
1. Why is water a liquid and not a gas ( between 0 and 100oC) ? Water has a Relative Molecular mass ( Mr) of 18 ... Oxygen's Mr is 32. ...
The Odessa port plant in the Ukraine produces ammonia and other nitrogenous fertilisers.
Scientists agree that too much carbon dioxide is still being released into the atmosphere by human activity. Yet in this recent article,&nbs...
If you are just about to start out on an A level course - now is the time to start getting your brain back in gear. In this post, the tutor...
Biodiesel: used cooking oils and fats can be used as an alternative to fossil fuels to power vehicles.Â
In this post, Jayne gives examples of different types of lipids and explains what they are composed of and their corresponding functions in the human ...
An image of a virus particle
Viruses cause diseases such as the common cold, COVID-19, mumps, measles, HIV and Polio to name but a few. It is common at A Level to be ask...
Explaining Biology Clearly - you tube. Jayne now has a youtube channel where she is sharing her "no frills" explanations of the major biolo...
A high power image of bacterial cells.
Comparing Eukaryotic and Prokaryotic Cells In this post Jayne explains how to compare and contrast Eukaryotic and Prokaryotic cells. At A Le...