Summary:
This textbook has been written specifically to meet the needs of students following the AQA AS biology specification and provides thorough, carefully-structured coverage of the subject content.
AQA AS Biology has the following special features:
• Extension material
• Examples of applications
• Classic experiments in biological research
• Examiner’s tips
• Chapter summaries
• Multiple-choice and exam-style questions
• Integrated material on ‘how science works’

The author, drawing on his extensive teaching and examining experience, has ensured that coverage is not only comprehensive but also easily accessible and exam-focused, making this text essential reading for all AQA AS biology students.

A Teacher Guide containing detailed answers to all the questions in the book is available for separate purchase by teachers.

• Comprehensive coverage of the AQA specification
• Examiner’s advice to consolidate understanding of key topics
• Short-answer and AQA exam-style questions throughout
• Integrated material on ‘how science works’ throughout the text
• Full-colour illustrations
• A2 text to follow in 2009

Table of Contents:
Introduction
Chapter 1: We are what we eat
Chapter 2: Molecules make cells
Chapter 3: We must digest our food before we can use it
Chapter 4: Digested food must be absorbed into the bloodstream
Chapter 5: The circulatory system transports absorbed food around the body
Chapter 6: Breathing oxygenates the blood to allow food to be respired
Chapter 7: Disease: when it all goes wrong
Chapter 8: How do we resist infection?
Chapter 9: What is the nature of variation?
Chapter 10: DNA is the stuff of genes
Chapter 11: Passing on DNA to the next generation
Chapter 12: Different DNA results in different substances and different cells
Chapter 13: Size matters
Chapter 14: Genes, breeding and evolution
Chapter 15: Putting organisms in their places: classification
Chapter 16: Variation in the environment: biodiversity
Index

About the Author(s):
Steve Potter has been a chief/principal examiner for a number of awarding bodies and is the author of numerous A-level biology books, including the series of AQA biology Unit Guides, also published by Philip Allan Updates.