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3.1 science
Question/term | answer/definition |
---|---|
1.cell structure ; a. nucleus | a. contains DNA B.directs all the cells activities |
B.cell membrane | a. controls what enters and exits cell |
c. mitochondria | a. converts glucose into energy b. called the powerhouse of the cell |
d. vacuole | a. stores water, wastes, food, and other materials until needed**animal cells may or may not have a vacuole |
e. ribosome | a. ribosome 1. protein production 2. found floating in the cytoplasm |
endoplasmic reticulum | a. ribosomes are found here too b.passageways that carry materials throughout the cell |
g. Golgi body | a. receives materials from the endoplasmic reticulum b. packages and disperses materials to other parts of the cell |
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 |