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Organelle Functions

These are the functions of the organelles found in plant and animal cells.

TermDefinition
cell membrane. A thin flexible barrier around a cell; controls what enters and leaves the cell.
mitochondria.
Site of cellular respiration in eukaryotic cells; uses oxygen to break down organic molecules and release energy (ATP).
lysosome.
A small, round cell structure containing enzymes that break down large food particles and old cell parts.
cytoplasm.
A jellylike fluid that fills the inside of the cell.
microtubules.
Thick hollow tubes that are used to move cell organelles during cell division.
ribosome.
Site of protein synthesis, where proteins are made. Sometimes attached to the endoplasmic reticulum.
nucleolus.
Found inside the nucleus and produces ribosomes.
Golgi body.
Also called the Golgi apparatus or Golgi. Organelle that packages and distributes molecules produced by the eukaryotic cell.
smooth endoplasmic reticulum.
That portion of the endoplasmic reticulum that lacks ribosomes. Involved in the production of fats and steroid hormones.
rough endoplasmic reticulum.
An organelle covered with ribosomes where many proteins are assembled and packaged for transport.
nuclear membrane.
A membrane that separates the nucleus from the cytoplasm and controls what goes in and out of the nucleus.
nucleus.
A cell structure that contains DNA, the chemical instructions that direct all the cell's activities.
vacuole.
Cell organelle that stores materials such as water and waste.
cell wall.
A rigid structure that surrounds the cell membrane and provides support to the cell. Not found in animal cells.
chloroplast.
A structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce food.
Created by: lindamorton
 

 



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