Cells 0.0 / 5 ? BiologyCellular processes and structureA2/A-levelOCR Created by: danniellechiversCreated on: 26-10-17 20:57 Nucleus Largest organelle in a cell, contains the cells genetic material 1 of 18 Nucleolus A dense structure within the nucleus, creates ribonucleic acid and ribosomes 2 of 18 Nuclear envelope Contains a number of nuclear pores which letslarger molecules through 3 of 18 Rough endoplasmic reticulum Studded with ribosomes, transports proteins to be synthesised at the ribosomes 4 of 18 Smooth endoplasmic reticulum Synthesises lipids and carbohydrates 5 of 18 Vacuole Has no specific shape and contains water and other chemicals, important in maintaining turgor pressure 6 of 18 Chloroplasts Responsible for photosynthesis, contains chlorophyll 7 of 18 Golgi apparatus Modifies proteins and packages them into vesicles 8 of 18 Ribosomes Constructed of RNA, the site of protein synthesis 9 of 18 Mitochondria The siteof the final stages of respiration, energy is stored in the bonds of the complex 10 of 18 Lysosomes Specialised forms of vesicles that contain hydrolytic enzymes, break down waste materials within cells 11 of 18 Vesicles Membranous sacs with storage and transport roles, transport materials INSIDE the cell 12 of 18 Cellulose cell wall Freely permeable, makes the cell rigid 13 of 18 Centrioles Composed of microtubles, involved in assembly and organisation of spindle fibres in cell division 14 of 18 Cytoskeleton A network of fibres vital for shape and stability of cells 15 of 18 Microfilaments Formed fromthe protein actin, responsible for cell movement and contraction 16 of 18 Microtubules Act as tracks for organelle movement 17 of 18 Intermediate fibres Give mechanical strength 18 of 18
Comments
No comments have yet been made