The Renaissance was an influential cultural movement which brought about a period of scientific revolution and artistic transformation, at the dawn of modern European history. It marks the transitional period between the end of the Middle Ages and the start of the Modern Age.
1 cell wall Outer structure which provides support and prevents the cell from bursting by the uptake of water by osmosis; plant, fungal and bacterial cell walls have different structures and chemical compositions.  chloroplast Contains the green pigment chlorophyll; the site of photosynthesis.
Plant and animal cells Cytoplasm Jelly-like substance, where chemical reactions happen. In plant cells there's a thin lining, whereas in animal cells most of the cell is cytoplasm. Plant and animal cells Nucleus Controls what happens inside the cell. Carries genetic information. Plant and animal cells Chloroplast Where photosynthesis happens â chloroplasts contain a green substance called chlorophyll. Plant cells only Vacuole Contains a liquid called cell sap, which keeps the cell firm.