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14 terms

Chapter 4: A tour of the Cell

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Electron Microscope
Uses a beam of electrons, which results in better resolving power than the light microscope
Magnification
Increase the specimen's size
Resolving Power
The ability of an optical instrument to show two objects as separate
Lysosome
- A sac of digestive enzymes found in animal cells
can digest all sorts of macromolecules
Organelle
Membrane bound structures that do tasks like organs
Rough ER
- Has ribosomes along its outside membrane
- Produce membrane proteins
- Then packages molecule into a transport vesicle
Nucleolus
Where ribosome is made
Extracellular Matrix
Holds together cells in tissues
Cell Junctions
Structures in cells that connect to other cells
Smooth ER
- Produces lipids including steroids
- Helps liver cells detoxify circulating drugs
Nucleus
An organelle that houses most of a eukaryotic cells DNA
Mitochondria
Produces ATP through cellular respiration
Golgi Apparatus
Recieves and refines stores and distributes chemical products of the cell
Endoplasmic Reticulum
- One of the main manufacturing facilities in a cell
- Produces an enormous variety of molecules