Unit AS 1 Molecules and Cells

A Level Biology (AS Unit 3) notes on 2 practical experiments: the qualitative reagents used to identify biological molecules and the paper chromatography of amino acids.

A Level Biology (AS Unit 1) questions and answers on water, phospholipids, proteins, polysaccharides and nucleic acids

A Level Biology (AS Unit 1) notes including nucleotides and the differences between RNA and DNA

A Level Biology (AS Unit 1) notes including fatty acids, saturated and unsaturated triglycerides, the roles of fats, phospholipids and an introduction to nucleic acids.

A Level Biology (AS Unit 1) notes on glycogen, cellulose and starch. There is also an introduction to lipids and triglycerides.

A Level Biology (AS Unit 1) notes including a description of prions and then carbohydrates and an explanation of different monosaccharides such as glucose and fructose

A Level Biology (AS Unit 1) notes including disaccharides and polysaccharides, including starch.

A Level Biology (AS Unit 1) notes including the quaternary structure of proteins, globular and fibrous proteins (including the examples of haemoglobin and collagen) as well as a description of prions.

Biology AS Level ( Unit 1 ) notes, including an explanation of peptide linkages and the primary, secondary and tertiary structure of proteins, along with diagrams