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17 Cards in this Set
- Front
- Back
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nucleus |
a large organelle that produces and stores the cell's DNA. |
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endoplasmic reticulum |
a system of folded membranes that functions as the delivery system of the cell |
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cytoplasm (cytoskeleton) |
a web of proteins in the cytoplasm that keeps the cells membranes from collapsing. |
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golgi body |
the organelle that packages proteins and transports them and round the cell |
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mitochondria |
powerhouse of the cell. breaks down sugar to produce energy. |
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vacuole |
a storage tank for the cell. |
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ribosome |
makes proteins. |
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cell membrane |
barrier that encloses and protects the cell. |
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lysosome (animal cell only) |
an organelle that contains digestive enzymes. (garbage disposal of cell) |
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cell wall (plant cell only) |
a rigid structure that gives support to the cell.contains celulose. |
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chloroplast (plant cell only) |
an organelle where photosynthesis takes place. |
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organelle |
a tiny organ that makes up the cell. |
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selectively permeable |
organelle has holes that only lets some thing through. ( cell membrane) |
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3 organelles that have DNA |
nucleus, mitochondria, chloroplast |
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carbohydrates |
main source of energy for living things. glucose is the most important carbohydrate. |
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when did life first appear on earth? |
3.5 billion years ago |
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what is carbon-14 half life? |
5,700 years |
