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GCSE revision

Robert Wallace

Simple biology recall questions

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Across
3.Fluid for energy transfer between mother and child
4.Organism that feeds on animals
7.Order of mammal including bears, cats and dogs
8.Antagonistic hormone to Insulin
10.Light sensitive organ
12.Microscopic gap between neurons
13.Oxygen binding protein found in red blood cells
15.Place where fertilisation occurs
18.Exchange organ between mother and child
19.Protein digesting enzyme that work at low pH
20.Chemical that harms bacteria but not viruses
22.Process extending from a neurone
24.Plant tissue carrying organic material
25.Pumping chamber of the heart
26.Increases surface area for absorption in gut
Down
1.Protein that causes blood to clot
2.Indigestible polymer of glucose found in plant cell walls
3.Class of vertebrate with fur
4.Group of genetically identical individuals
5.Produces two, genetically identical cells.
6.Sole product of anaerobic respiration in animal cells
8.Favoured respiratory substrate
9.Deficiency disease from lack of Iron
11.Distinctive feature of Arthropods
14.Muscular contraction moving food along the gut
16.Subunit of protein
17.Gas exchange surface on lungs
21.Reagent used to identify protein
23.Part of chromosome coding for a characteristic

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