definitons (section 1) 0.0 / 5 ? BiologyallIGCSEEdexcel Created by: phoebe_lhCreated on: 24-02-16 18:14 eight characteristics of living organisms Mr Shreng (move, resp, sense, reproduce, excrete, nutrition, growth, respire) 1 of 27 what is in an animal cell nucleus, cell mem, cytoplasm 2 of 27 what is in a plant cell nucleus, cell mem, cell wall, cytoplasm, vacuole, chloroplasts 3 of 27 tissues a group of similar cells that work together eg. muscle 4 of 27 organs a group of similar tissues that work together eg. heart 5 of 27 examples of plants cereals (maize) and herbaceous legumes (peas) 6 of 27 examples of fungi yeast (single) and mucor (mycelium body) 7 of 27 saprotrophic nutrition secret extracellular enzymes to the area outside their body to dissolve their food and absorb the nutrients 8 of 27 how do plants store carbs sucrose or starch 9 of 27 how do animals and fungi store carbs glycogen 10 of 27 examples of protoctists chlorella (plant like) amoeba (animal like) 11 of 27 characteristics of bacteria -single celled 12 of 27 characteristics of bacteria -no nucleus -circular chromosome of dna -photosynthesise -feed off other organisms 13 of 27 examples of bacteria salmonella and pneumococcus 14 of 27 characteristics of viruses -particles -parasites (reproduce inside living cells) -protein coat surrounding some DNA 15 of 27 pathogen an organism that causes disease 16 of 27 enzymes catalysts produced by living things 17 of 27 catalyst a substance which increase the speed of a reaction without being changed or used up 18 of 27 substrate a molecule that is changed in a reaction 19 of 27 active site the part where the substrate joins onto the enzyme 20 of 27 denatured when an enzyme is put in the wrong conditions resulting in the breaking of bonds, loss of shape and function (permenant) 21 of 27 turgid well watered plant that has drawn water into cells by osmosis and become swollen, high tugor pressure 22 of 27 flaccid lack of water and tugor pressure (droopy) 23 of 27 how to investigate diffusion (non living) agar jelly - phenolphthalein & sodium hydroxide into HCl 24 of 27 how to investigate osmosis (living) potato cylinders in pure water and concentrated sugar solution 25 of 27 how to investigate osmosis (non living) visking tubing, wire around one end, glass rod in it, wire around other end, pour sugar solution into rod 26 of 27 3 factors effecting movement of substances SA : V , temp , conc gradient 27 of 27
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