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Summary A level biology year 1 notes £4.49   Add to cart
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Summary A level biology year 1 notes

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These are my year 1 notes for A level Biology. I achieved an A* in my exam using these notes to revise. They are modelled based on the answers required to give in exam questions.

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  • November 2, 2024
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  • 2023/2024
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Monomers and Polymers
04 September 2020 14:45

Click for a summary video on Monomers and Polymers



- Monomers- single unit/ a type of small molecule
- Polymer/ macromolecule - a type of large molecule made up of repeating monomers -
smaller sub units
- Formed in Polymerisation
- Length of chain and type of monomers affects the polymer's properties


Name of polymer General terms Specific terms/ examples
Carbohydrates Polymer- polysaccharides Ie glucose makes starch/glycogen
Monomer-
monosaccharides
DNA Polymer- polynucleotide Nucleotides make DNA (double h
Monomer- mononucleotide structure)
Proteins / Polymer - polypeptides/protein
(polypeptides) Monomer- amino acids
Lipids / Monomers- Fatty acids and glyce



Bonds between monomers form by condensation reactions where water is produced as
both monomers required hydroxyl groups
Polymers are broken by hydrolysis- water added to polymer - bonds are broken
Both reactions are opposites of each other

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