Science - Biology 0.0 / 5 ? BiologyCells, tissues and organsGCSEAQA Created by: MeganLewis15Created on: 18-03-15 10:25 What is a Nucleus? It contains genetic material that controls the activities of the cell. 1 of 5 What is the Cytoplasm? It is a gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions. 2 of 5 What is a Cell Membrane? It holds the cell together and controls what goes in and out. 3 of 5 What are Mitochondria? These are where most of the reactions for respiration take place. Respiration releases energy that the cell needs to work. 4 of 5 What are Ribosomes? These are where proteins are made in the cell. 5 of 5
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