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cell chapter
animal and plant cells
Question | Answer |
---|---|
organism | any living thing |
cell | the smallest unit of an organism that carries on the functions of life |
homeostasis | the reguuulation of an organisms internal life maintaining condition despite change in its enviroment |
binomial nomenclauture | the two-word naming system that linnaeus used to name varios organism |
genus | is a group of simualir species |
phylogeny | is the evolutionary history of an organism that is how the organism has changed over time |
kindom | there are boarder groups preceding species the largest |
Cell theory | States that organisms are made up of one or more cells the cell is the basic unit of life and all cells come from other cells. |
Cell wall | a tough rigid outering covering that protect cells and gives them shape |
Cell membrane | the protective layer surrounding every cell |
Cytoplasm | cells are filled with a gelaninlike substance |
Ribosomes | cells make their own protien on small structures |
Organelles | within the cytoplasm of the eukaryotic cells are stuctures |
Nucleus | all cellular activites are directed by nucleus |
Chloroplasts | in plant cells food is made in green organels in the cytoplasm |
Mitochondria | the energy in food usually is released by mitochondria |
Endoplasmic reticulum | is a series of folded membranes in which can be processed and moved around inside the cell |
Golgi bodies | after proteins are made in the cell they are tranferred to another type of cell organelles |
Tissue | is a group of similar cells that work together to do one job |
Organ | is a structure made up of two or more different types of tissues that work together |
Organ system | a group of organs working together to perform a certain function |