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Cell Organelles

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