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Cell Organelles
| Question | Answer |
|---|---|
| What are cells? | basic units that make up living things |
| What is the cell theory? | -all living things are made up of cells -smallest unit of a living organism -cells come from other cells |
| what's a microscope? | an instrument used to magnify objects that are too small to see with the naked eye |
| what is an electron microscope? | a kind of microscope that can magnify objects up to 40,000X |
| what do organelles do? | perform specific functions in the cell |
| What does the nucleus do? | it directs the activities of a cell, like a brain |
| what is DNA? | it determines an organism's traits |
| what is a cell membrane and what does it do? | a thin, flexible covering around the cell that allows food, water, and gases to enter the cell and wastes to leave |
| what is a cell wall? | rigid outer layer that protects the cell and helps the plant stand up (only found in plant cells) |
| What is a cytoplasm? | thick fluid between the nucleus and the cell membrane that holds the organelles in place |
| what are ribosomes? | assemble proteins that make up parts of the cell and allow the cell to carry out chemical reactions |
| what are lysosomes? | ball-shaped organelles that help break down nutrients and old cell parts (common in animal cells, rare in plant cells) |
| What is a vacuole? | a membrane sac filled with fluids that stores food, water, and other substances |
| what is a golgi apparatus? | recieves proteins and processes them out for "shipment" outside the cell |
| What are chloroplasts? | absorb sunlight and use the energy to make food in a process called photosynthesis (found only in plant cells) |
| What is mitochandria? | large, peanut-shaped organelles that are "power plants" of the cell, the number of it in a cell depends on how much energy the cell needs |
| what is an endoplasmic reticulum? | a system of tubes that create passage ways for materials to pass through, the two types are "smooth" and "rough" |
| What are microtubules? | hollow cylinders that provide transportation for materials and structural support, like conveyor belts |
Created by:
jhart33
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