cells 0.0 / 5 ? BiologyCells, tissues and organsGCSEEdexcel Created by: amandacygalCreated on: 29-01-15 10:44 palisade cell chloroplasts, tall, thin. 1 of 5 guard cells open and close pores, kidney shape, thin/thick, sensitive to light. 2 of 5 red blood cells concave,haemoglobin,no nucleus 3 of 5 sperm streamlined head, tail, enzymes, dna, mitochondria 4 of 5 egg cell DNA, nourish, food reserves, changes shape. 5 of 5
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