biology rev -paper 1 5.0 / 5 based on 1 rating ? BiologyCells, tissues and organsGCSEAQA Created by: Kim OsbornCreated on: 21-01-18 13:38 What is a eukaryotic cell? complex and include all animal and plant cells 1 of 24 what is the nucleus? contains DNA organised into chromosomes 2 of 24 what is the cell membrane? semi permeable magazine which controls what comes into and out of the cell 3 of 24 what is the cytoplasm? jelly like substance whee chemical reactions happpen 4 of 24 what do both plant and animal cells contain? nucleus, cell membrane, cytoplasm, mitochondria and ribosomes 5 of 24 what does a plant cell contain that an animal cell doesnt? cell wall. permanent vacuole and chloroplast 6 of 24 what is the cell wall? made of cellulose to support and strengthen the cell 7 of 24 what is the permanent vacuole? filled with cell sap to support cell 8 of 24 what is the chloroplast? contains chlorophyll (green pigment) which absorbs light for photosynthesis 9 of 24 what is the mitochondria? where respiration takes place 10 of 24 what is a ribosome? where proteins are made 11 of 24 what are the two types of cells? prokaryotic and eukaryotic 12 of 24 what is a prokaryotic cell? small and simple cells e.g. bacteria 13 of 24 what is differentiation? a process by which a cell changes to become specialised for its job 14 of 24 what are sperm cells specialised for? reproduction 15 of 24 what is the function of a sperm cell? to get male DNA to the female DNA 16 of 24 why does a sperm cell have a long tail and streamlined head? to help it swim to the egg 17 of 24 why does a sperm cell have a lot of mitochondria? to provide the energy it needs 18 of 24 why does a sperm cell carry enzymes in its head? to digest through the egg cell membrane 19 of 24 what are nerve cells specialised for? rapid signalling 20 of 24 what is the function of nerve cells? to carry electrical signals from one part of the body to another 21 of 24 why are nerve cells long? to carry more distance 22 of 24 what are muscle cells specialised for? contraction 23 of 24 what is the function of a muscle cell? to contract quickly 24 of 24
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