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3.1 science

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question/term
answer/definition
1.cell structure ; a. nucleus   a. contains DNA B.directs all the cells activities  
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B.cell membrane   a. controls what enters and exits cell  
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c. mitochondria   a. converts glucose into energy b. called the powerhouse of the cell  
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d. vacuole   a. stores water, wastes, food, and other materials until needed**animal cells may or may not have a vacuole  
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e. ribosome   a. ribosome 1. protein production 2. found floating in the cytoplasm  
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endoplasmic reticulum   a. ribosomes are found here too b.passageways that carry materials throughout the cell  
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g. Golgi body   a. receives materials from the endoplasmic reticulum b. packages and disperses materials to other parts of the cell  
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h. lysosome   a. contains digestive enzymes that break down food particles and old cell parts b. docked down particles and pars are reused by the cell  
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