Term
| How are new cells produced? |
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Definition
| They are produced from existing cells. |
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Term
True or False:
Cells are the basic unit of structure and function in living things. |
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Definition
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Term
| What are the two most used Microsopes? |
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Definition
| Light and Electron Mircosopes. |
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Term
| What do Compound Light Microscopes allow? |
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Definition
| They allow light to pass through a specimen and use 2 lenses to form an image. |
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Term
| What is the Objective Lens? |
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Definition
| It enlarges the image of the specimen. |
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Term
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Definition
| It magnifies the image further. |
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Term
True or False
All unliving things are transparent? |
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Definition
FALSE!
Most living things are transparent! |
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Term
| What do Chemical stains and dyes do under a microscope? |
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Definition
| They provide contracts to produce a clear image. |
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Term
| Some stains are specific to what? |
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Definition
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Term
| What do Fluorescent Dyes do under a microscope? |
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Definition
| They illuminate Molcules. |
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Term
| What kind of microscopes have a higher resolution? |
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Definition
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Term
| What are the two major types of ELECTION Microscopes? |
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Definition
Transmission Electron Microscopes
Scanning Electron Mircoscopes |
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Term
| What two things can Electron Microscopes examine? |
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Definition
| Nonliving Cells and Tissues! |
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Term
| What are transmission electron microscopes used for? |
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Definition
To explore cell structures and large proteins.
To examine, the specimen must be sliced
Images appear flat and two dimensional |
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Term
| What are scanning electron microscopes used for? |
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Definition
| They scan over the specimen and create beautiful images. |
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Term
| What kind of Cell is this?[image] |
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Definition
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Term
| What do all cells contain? |
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Definition
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Term
True or False:
All Cells are surrounded by a cell wall? |
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Definition
FALSE!
They are surrounded by the Cell Membrane. |
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Term
| What is another word for Cell Membrane? |
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Definition
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Term
| What does the presence of the nucleus determine? |
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Definition
| If the cell is going to be eukaryotic or prokaryotic. |
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Term
| What are Eukaryote Cells? |
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Definition
| Cells that enclose their DNA in Nuclei. |
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Term
| What are Prokaryote Cells? |
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Definition
| They do not enclose DNA. EX: Bacteria is a prokaryote cell |
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Term
| What two cells are both Eukaryote? |
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Definition
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Term
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Definition
"Little Organs"
Specialized Structures in all cells. |
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Term
| What does a Nucleus Contain? |
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Definition
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Term
| What is a Nuclear Envelope? What is it purpose? |
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Definition
Made of 2 Cells membranes and has pours.
Allows for passage of materials in and out of the nucleus |
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Term
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Definition
| Carry's the cell genetic info and is also found in the nucleus |
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Term
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Definition
| Water, Proteins, and Carbohydrates. |
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Term
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Definition
| Materials between organelles and to the cell surface. |
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