Biology 3.0 / 5 based on 1 rating ? BiologyGCSEAQA Created by: EstherCreated on: 30-11-12 20:30 Hormones They are Chemical messangers which travel in the blood to activate target cells 1 of 14 Organelle Microscopic structure which does a particular job in a cell. E.g. the nucleus 2 of 14 Cell Basic unit of life. Unicellular organisms only have one cell. Multicellular organisms have many cells. 3 of 14 Tissue Group of cells of the same type doing a particular job. E.g. the blood 4 of 14 Organ Group of tissues doing a particular job between them. E.g. the heart 5 of 14 Organ system Group of organs doing a particular job between them. E.g. the circulatory system 6 of 14 Adaptions The action or process of adapting or being adapted to your environment. 7 of 14 alleles One of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome. 8 of 14 Antiboiotic resitance Antibiotic resistance is a type of drug resistance where a microorganism is able to survive exposure to an antibiotic 9 of 14 antibiotics A medicine (such as penicillin or its derivatives) that inhibits the growth of or destroys microorganisms. 10 of 14 antibodies A blood protein produced in response to and counteracting a specific antigen. 11 of 14 antitoxins an antibody that counteracts a toxin 12 of 14 asexual reprodicton reproduction without the fusion of gametes 13 of 14 auxins a plant hormone that causes the longation of cells in shoots and is invovled in regulating plant hormones 14 of 14
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