PEARSON EDEXCEL A LEVEL Biology B PAPER 3 2023 QUESTION PAPER (9BI0/03: General and Practical Principles in Biology)
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PEARSON EDEXCEL A LEVEL Biology B PAPER 3 2023 QUESTION PAPER (9BI0/03: General and Practical Principles in Biology). DOWNLOAD OFFICIAL AND VERIFIED EDEXCEL PEA...
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PEARSON EDEXCEL A LEVEL Biology B PAPER 3 2023 QUESTION PAPER (9BI0/03: General and Practical Principles in Biology). DOWNLOAD OFFICIAL AND VERIFIED EDEXCEL PEARSON A LEVEL Biology B PAPER 3 2023 QUESTION PAPER on www.leakedexams.com


1 Glucose is a monosaccharide.
(a) Complete the diagram to show the structure of beta‑glucose.
(1)
H
HO
HOH
H
CH2OH
H OH
O
(b) Glucose molecules can be joined to form the polysaccharides starch and cellulose.
 Give three differences between the structures of starch and cellulose.