Term
- Surrounds nucleus
- Composed of two layers
- Numerous openings for nuclear traffic
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Definition
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Term
- Spherical shape
- Visible when cell is not dividing
- Contains RNA for protein manufacture
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Definition
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Term
- Usually in the form of chromatin
- Contains genetic information
- Composed of DNA
- Thicken for cellular division
- Set number per species (i.e. 23 pairs for human) |
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Definition
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Term
- One or more per cell
- Spherical shape
- Denser than surrounding cytoplasm
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Definition
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Term
- Collective term for cytosol and organelles contained within
- Colloidal suspension
- Cytosol mainly composed of water with free-floating molecules
- Viscosity constantly changes
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Definition
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Term
- Paired cylindrical organelles near nucleus
- Composed of nine tubes, each with three tubules
- Involved in cellular division
- Lie at right angles to each other |
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Definition
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Term
- A plastid usually found in plant cells
- Contain green chlorophyll where photosynthesis takes place |
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Definition
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Term
- Composed of microtubules
- Supports cell and provides shape
- Aids movement of materials in and out of cells |
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Definition
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Term
- Tubular network fused to nuclear membrane
- Goes through cytoplasm onto cell membrane
- Stores, separates, and serves as cell's transport system |
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Definition
Endoplasmic Reticulum
[image] |
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Term
- Protein 'packaging plant'
- A membrane structure found near nucleus
- Composed of numerous layers forming a sac |
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Definition
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Term
- Digestive 'plant' for proteins, lipids, and carbohydrates
- Transports undigested material to cell membrane for removal
- Vary in shape depending on process being carried out |
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Definition
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Term
- Second largest organelle with unique genetic structure
- Double-layered outer membrane with inner folds called cristae
- Energy-producing chemical reactions take place on cristae
- Controls level of water and other materials in cell
- Recycles and decomposes proteins, fats, and carbohydrates, and forms urea |
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Definition
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Term
- Each cell contains thousands
- Miniature 'protein factories'
- Composes 25% of cell's mass
- Stationary type: embedded in rough endoplasmic reticulum
- Mobile type: injects proteins directly into cytoplasm |
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Definition
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Term
- Membrane-bound sacs for storage, digestion, and waste removal
- Contains water solution |
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Definition
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Term
- Controls turgity
- Extracellular structure surrounding plasma membrane
- Most commonly found in plant cells |
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Definition
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Term
- Outer membrane of cell that controls cellular traffic
- Contains proteins that span through the membrane and allow passage of materials
- Proteins are surrounded by a phospholipid bi-layer. |
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Definition
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