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16 Cards in this Set
- Front
- Back
Describe polarity of cell at rest. |
More positive outside due to higher concentration of Na+, negative inside due to negative residues on proteins and DNA phosphate groups. |
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Define cell |
Smallest unit of life |
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Cytoplasm |
Composed of cytosol and organelles and inclusions ( varies with cell type, could be granules, pigments, lipids, etc.) |
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Organelle |
Metabolic machinery of cell |
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Anabolism |
Building up more complex molecules |
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Catabolism |
Breaking molecules into smaller ones |
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Ribosome |
Protein synthesis |
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Endoplasmic reticulum |
Transport in cell |
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Golgi apparatus |
Packaging and processing of proteins (tags with carbohydrates) |
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Mitochondria |
Powerhouse--ATP synthesis |
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Lysosome |
Contains digestive enzymes to destroy waste |
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Centrioles |
Useful in cell division (mitosis) |
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Cilia |
Movement over cell surface |
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Flagella |
Only cell with a flagellum in the human body is a sperm cell, allows movement of the entire cell |
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Nucleus |
Contains chromosomes |
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Nucleolus |
Synthesis of ribosomes |