Dr Bhavsar Biology

Serial dilution of bacteria: theory explanation for A level biology

A level biology practical essentials

A level biology: How to calculate enzyme rates

How to use a respirometer

Quantitative test for cell membrane integrity

Measuring lung function (Spirometer)

Planning Enzyme Investigations

Benedict's test for Reducing Sugars

How to do: Serial dilution of bacteria (practical demonstration)

How to make a table of results for practical investigations

Taxonomy of Bacteria: Identification and Classification

Blood Clotting Cascade AS Biology animation

Muscle contraction: Sliding filament model animation for A level biology

Textbook or revision guide: which is better to study A level biology?

The genetic code: codons, nonoverlapping, unambiguous and degenerate.

OCR A Depth 2017 Q6 (Benedicts, practical, graph drawing)