Revision notes topic questions past papers

CIE AS Biology (9700) 2019-2021 Revision Notes

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2. Biological Molecules

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CIE AS Biology (9700) 2019-2021 Resources

REVISION NOTES 

 

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  PAST PAPERS

Page 34

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CIE AS Biology (9700) 2019-2021 Revision Notes

savemyexams.co.uk

2. Biological Molecules

YOUR NOTES

⬇

© 2015-2021 Save My Exams Ltd

CIE AS Biology (9700) 2019-2021 Resources

REVISION NOTES 

 

  TOPIC QUESTIONS 

 

  PAST PAPERS

Page 35

Examples of different types of fatty acids with the functional groups and presence of

double bonds highlighted

Triglycerides are formed by esterification

An ester bond forms when the hydroxyl group of the glycerol bonds with the carboxyl group

of the fatty acid

For each ester bond formed a water molecule is released

Therefore, for one triglyceride to form three water molecules are released

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