The Nature And Variety Of Living Organisms Flashcards based on section 1 of the syllabus 4.0 / 5 based on 1 rating ? BiologyVariety of life and classificationIGCSEEdexcel Created by: Emma ScottCreated on: 22-03-13 12:58 What do plant cells store carbohydrates as? Starch or Sucrose 1 of 24 Name two features of a plant cell that differ from that of an animal cell Plants have a cell wall and plant cells contain chloroplasts 2 of 24 What do animal cells store carbohydrates as? Glycogen 3 of 24 What can animal cells not carry out? Photosynthesis 4 of 24 What is the body of a fungus called and what is it made from? Mycelium made from thread-like structures called hyphae 5 of 24 What are the cell walls of fungi made of? Chitin 6 of 24 What do fungi store carbohydrates as? Glycogen 7 of 24 How do fungi feed and what is the process called? Extracellular secretion of enzymes onto food and absorption of organic products: saprotrophic nutrition 8 of 24 Give an example of a fungus with a typical structure? Mucor 9 of 24 Give an example of a single-celled fungus? Yeast 10 of 24 Are bacteria single-celled or multicellular? Single-celled 11 of 24 Give five features of a bacteria cell? Cell wall, cell membrane, cytoplasm, plasmids, circular chromosome of DNA 12 of 24 Do bacteria have nuclei? No 13 of 24 Do bacteria photosynthesise, if no what do they do for food? Some do but most feed of living or dead organisms 14 of 24 What is the name of the bacteria used in yoghurt production? Lactobacillus Bulgaricus 15 of 24 Is a protoctist larger or smaller than a bacteria? Smaller 16 of 24 Give two examples of protoctists? Amoeba and Chlorella 17 of 24 How do viruses feed? Parasitically 18 of 24 How do viruses reproduce? Inside living cells 19 of 24 What do viruses infect? Every type of living organism 20 of 24 What is the structure of a virus? Protein coat around one type of nucleic acid: DNA or RNA 21 of 24 How does the tobacco mosaic virus affect plants? Discolouration of leaves, prevents from formation of chloroplasts 22 of 24 Give two examples of viruses and what they cause? Influenza virus- flu, HIV virus- AIDS 23 of 24 What can a pathogen be? Fungi, bacteria, protoctist or virus 24 of 24
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