B3 0.0 / 5 ? Biologyall biology 3GCSEOCR Created by: brogan2001Created on: 10-06-17 13:35 chromosomes long molecules of coiled up DNA 1 of 15 catalysts substance that speeds up a reaction, without being changed or used up in the reaction itself 2 of 15 substrate molecule changed in reaction 3 of 15 gene mutation change in the DNA base sequence. 4 of 15 carcinogens mutation that produces cancer 5 of 15 mitosis when a cell reproduces itself by splitting to form two identical offspring 6 of 15 diploid each of the organisms body cells has two copies of each chromosome in it's nucleus- one from mum and one from dad 7 of 15 differentiation process by which a cell changes to become specialised for it's job. 8 of 15 aerobic with oxygen 9 of 15 metabolic rate amount of energy being used 10 of 15 anaerobic without oxygen 11 of 15 arteries carry blood away from the heart 12 of 15 capillaries are involved in the exchange of materials at the tissues 13 of 15 veins carry blood to the heart 14 of 15 clones genetically identical organims 15 of 15
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