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Vocabulary organelles with drawings, functions, and analogies.
Terms in this set (20)
The region of the cell that is within the plasma membrane and that includes the fluid, the cytoskeleton, and all of organelles except the nucleus
analogy: the cytoplasm is like the inside of a factory
A membrane-bound organelle that contains a cell's DNA
analogy: the nucleus is like our brains
The site where DNA is concentrated when it is in the process of making ribosomal RNA
analogy: the nucleolus is like a copier machine at work place
A network of thin tubes and filaments that crisscrosses the cytosol
analogy: the cytoskeleton is like the framework of a house before all the siding is put on
A plastid that use light energy to make carbohydrates from carbon dioxide and water
analogy: the chloroplasts are like solar panels
A double membrane that surrounds the nucleus
analogy: the nuclear envelope is like a skull because it protects the brain (the nucleus)
Centrioles organize the microtubes of the cytoskeleton during cell division in animal cells
analogy: centrioles are like the sorting machines at a post office
Rough Endoplasmic Reticulum
The rough ER is a system of interconnected, flattened sacs covered with ribosomes that allow molecules to move from one part of the cell to another
analogy: rough endoplasmic reticulums are like gravel roads
Smooth Endoplasmic Reticulum
The smooth ER is also a system of interconnected sacs but are not covered with ribosomes; they build lipids
analogy: the smooth endoplasmic reticulum is like a paved road or highway
The Golgi Apparatus is another system of flattened, membranous sacs that modify and label the proteins that are received from the ER
analogy: the golgi apparatus is like the machine that organizes and ships off packages at the UPS store
Vesicles are small, spherical sacs that are surrounded by a single membrane and that are classified by their contents; they release their contents to the outside of the cell
analogy: vesicles are like the UPS or post office trucks
Lysosomes are vesicles that are from the Golgi apparatus and contain digestive enzymes. They break down large molecules in the cell for various reasons.
analogy: A lysosome is like a garbage truck or man that breaks down waste or garbage
Peroxisomes are like lysosomes except they contain different enzymes and are not produced by the Golgi apparatus. They break down alcohol and fatty acids and kill baceria
analogy: Peroxisomes are like water filters that filter out the bacteria from our drinking water
Mitochondria are tiny organelles that transfer energy from organic molecules to ATP.
analogy: mitochondria are similar to power plants in a town or city
Vacuoles are large, fluid-filled organelle that store water, enzymes, metabolic wastes, and other materials
analogy: Vacuoles can be similar to refrigerator because it stores nutrients and such
The cell wall is a stiff layer that lies outside the cell's plasma membrane.
analogy: the cell wall is like a brick wall around a town, city, house, building, etc.
The centrosome is the central point that microtubules radiate outward from. It is where microtubules are organized.
analogy: the centrosome is like the center of a spider's web and the microtubules are the threads coming out of it
Ribosomes are organelles made of protein and RNA that direct protein synthesis in the cytoplasm
analogy: ribosomes are like school cafeterias
A semi-permeable membrane in a cell is a membrane that allows certain molecules to pass through
analogy: a semi-permeable membrane is similar to a gate to neighborhood where only certain people are allowed in
Chromosomes are the structures in the nucleus made of DNA and protein
analogy: DNA is similar to the blueprints of a house
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