Name: Pearson Edexcel A-level Biology (Salters-Nuffield) Student Guide: Practical Biology
Price: 15.59 USD
ISBN: 9781510472648

Hodder Education

Dan Foulder

Pearson Edexcel A-level Biology (Salters-Nuffield) Student Guide: Practical Biology

US$ 15.59

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Description

Contents

Reviews

Get to grips with the core practicals and develop the skills students need to succeed with an assessment-driven approach, combining clear summaries of practical work that reinforce understanding, with sample questions and answers to improve exam technique.
- Easily identify what students need to know with a concise summary of the required practical work examined in the A-level specifications.
- Consolidate understanding of practical work, methodology, mathematical and other skills out of the laboratory with exam tips and knowledge check questions, with answers in the back of the book.
- Improve exam technique with sample answers, examiner's tips and exam-style questions.
- Provide extra support with coverage of methodologies and generic practical skills not focused on in the textbooks.

Language

English

ISBN

9781510472648

Cover Page

Title Page

Contents

About this book

How the practical element is assessed

Skills Guidance

Practical advice

Core practicals

1. (i) Investigate the effect of caffeine on heart rate in Daphnia

(ii) Discuss the potential ethical issues regarding the use of invertebrates in research

2. Investigate the vitamin C content of food and drink

3. Investigate membrane structure, including the effect of alcohol concentration or temperature on membrane permeability

4. Investigate the effect of enzyme and substrate concentrations on the initial rates of reactions

5. Prepare and stain a root tip squash to observe the stages of mitosis

6. Identify sclerenchyma fibres, phloem sieve tubes and xylem vessels and their location within stems through a light microscope

7. Investigate plant mineral deficiencies

8. Determine the tensile strength of plant fibres

9. Investigate the antimicrobial properties of plants, including aseptic techniques for the safe handling of bacteria

10. Carry out a study on the ecology of a habitat, such as using quadrats and transects to determine distribution and abundance of organisms, and measuring abiotic factors appropriate to the habitat

11. Investigate photosynthesis using isolated chloroplasts (the Hill reaction)

12. Investigate the effect of temperature on the initial rate of an enzyme-catalysed reaction, to include Q10

13. Investigate the effects of temperature on the development of organisms (such as seedling growth rate, brine shrimp hatch rates)

14. Use gel electrophoresis to separate DNA fragments of different length

15. Investigate the effect of different antibiotics on bacteria

16. Investigate rate of respiration

17. Investigate the effects of exercise using data from spirometer traces

18. Investigate habituation to a stimulus

Questions & Answers

Question 1. Investigating membrane structure

Question 2. Observing the stages of mitosis

Question 3. Investigating plant mineral deficiencies

Question 4. Investigating the antimicrobial properties of plants

Question 5. Carrying out a study on the ecology of a habitat

Question 6. Investigating the effect of temperature on the rate of an enzyme-catalysed reaction

Question 7. Using gel electrophoresis to separate DNA fragments of different length

Question 8. Investigating rate of respiration

Question 9. Investigating the effects of exercise using data from spirometer traces

Index

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