Organelle Vocabulary

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Cytoplasm

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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

Nuclear Envelope

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

Golgi Apparatus

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