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Biological Molecules

Huff Puff

Edexcel IGCSE level

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Across
3.A 3D shaped space in an enzyme molecule that matches the shape of its substrate molecule
5.Join together to form peptides, polypeptides and proteins
6.Made up of glycerol and 3 fatty acids
8.Made up of long chains of simple sugar molecules joined together
10.Three of these joined with glycerol make a lipid molecule
12.One of the base units of lipids, along with fatty acids
13.Biological catalysts which control the rate of metabolic reactions
14.The word used to describe the perfect temperature or pH for an enzyme to work
15.The element that carbohydrates, proteins and lipids all contain beginning with H
Down
1.The reagent used when testing for simple sugars
2.The element that carbohydrates, proteins and lipids all contain beginning with C
4.The reagent used in testing for starch
7.A molecule that reacts with a particular enzyme
9.Made up of long chains of amino acids
11.The element that carbohydrates, proteins and lipids all contain beginning with O

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