Produced by Science & Plants for Schools (SAPS), this activity enables students to investigate the effect of competitive and non-competitive inhibitors on the enzyme beta-galactosidase.

The chemical ONPG (o-nitrophenyl beta-D-galactopyranoside) is degraded by the enzyme beta-galactosidase. The product is...

This book presents a comprehensive coverage of the various pure-with-mechanics syllabuses in a single volume.

The 'Complete A-Z biology handbook' explains all the key terms in Advanced Level biology. Each entry begins with a clear definition and is followed by explanation and worked examples where relevant. The more important the term, the more detailed the entry. The A-Z format makes it exceptionally easy to use.

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The 'Complete A-Z chemistry handbook' explains all the key terms in Advanced Level chemistry. Each entry begins with a clear definition and is followed by an explanation and/or worked examples and formulae. The more...

This chemistry handbook provides a guide to all the key terms within chemistry. It has an A to Z format, and each entry begins with a clear, one-sentence definition and is followed by explanation and examples....

This photographic field guide to all mammals, reptiles and amphibians in Britain, including all the common domestic animals, is a comprehensive guide to identification of species, and their tracks and trails.

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A photographic field guide to 1,500 species of insects found in Britain A photographic field guide to all the common and some unusual species of insects across Britain that the keen amateur naturalist is likely to...

You can pass in 'O' G.C.E. mathematics with this book. The descriptions of method are easy to understand and throughout the book these are followed by simple demonstration examples showing...

'Complete biology' is a clear and straight-forward text for GCSE and IGCSE students, particularly those planning to go on to study biology at an advanced level. This book includes questions on every double-page...

This book meets the needs of all students following the Cambridge International Examinations syllabus for IGCSE biology. Updated for the most recent syllabus and the latest scientific developments, it covers all...

Top hairdresser Charles Worthington shows how to recreate the salon experience in the home. The book uses a scenario-based approach that focuses on the lives, loves and hair dramas of four girls.

A commanding encyclopedia of the history and principles of spaceflight-from earliest conceptions to faster-than-light galaxy-hopping Here is the first truly comprehensive guide to space exploration and propulsion,...

'Complete chemistry for GCSE and IGCSE' presents the concepts and principles of chemistry in a clear, easy-to-read style, with lively, colourful coverage of the relevance of chemistry in the real world. Each topic is...

This book meets the needs of all students following the Cambridge IGCSE syllabus for chemistry. Updated for the most recent syllabus and the latest scientific developments, it covers all aspects of the syllabus...

This 'Complete curriculum starter kit' contains everything, except a monitor, to get started with the Pi and complete six units of work. This includes a full set of teaching resources and Raspberry Pi to help deliver a comprehensive set of lessons based on six units of work, that cover almost all areas of the new...