Plant hormone involved in tropisms and other growth responses., Group of three bases on a tRNA that are complementary to a codon on the mRNA., All organisms of all species found in a particular area at a certain time., Condition of a plant cell which has lost internal pressure so that the cytoplasm no longer pushes against the cell wall., The maintenance of constant internal environment., Woody material present in the cell walls of some plant cells, such as xylem vessels., A chemical released at the end of a neurone. It diffuses across a synapse., ‘Animal-like’ species of protoctists., Cell or organ that detects a stimulus., The lower chambers of the heart..

iGCSE Biology Keywords

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تضمين

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