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19 Cards in this Set
- Front
- Back
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why are cells so small? |
Because the smaller the cell, or the smaller the surface area to volume, the more efficient the cell becomes. |
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All cells contain these things |
Cell membrane, genetic material, cytosol, and ribosomes. |
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Cell membrane |
controls what entered/leaves the cell |
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Genetic material |
DNA - responsible for storing hereditary info |
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Linear genetic material is called |
chromatin |
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circular genetic material is named |
plasmid |
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Nucleus |
contaisn most nucleic acids, surrounded by "lamina" |
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Nucleolus |
in the nucleus, contains RNA |
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Endoplasmic Reticulum |
network of tubes and flattened sacs; connects w/ nuclear membrane |
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Rough ER |
Makes proteins that leave the cell |
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Smooth ER |
makes fats and sugars |
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Golgi Apparatus |
flattened sacs (cisternae); stores and packages products of cell |
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Lysosome |
contains enzymes for molecular digestion. Responsible for autophagy (breaking down damaged organelle) |
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Vacuole |
Stores pigments, poisons, water and nutrients |
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Mitochondria |
Chemical energy conversion **has own DNA |
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Peroxisome |
enzymes that produce H202 and its hydrolysis |
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chloroplast |
stores pigment for photsynthesis **contains own DNA |
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cell wall |
tough, permeable out covering made of cellulose |
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central vacuole |
stores water + helps maintain structure surrounded by tonoplast |
