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Mrs. P's L2 Vocab

Plant and Animal Cell Organelles

TermDefinition
cell wall a rigid supporting layer that surrounds the cells of plants and some other organisms
cell membrane a thin flexible barrier that surrounds a cell and controls which substances pass into and out of a cell
nucleus a large organelle that contains the cell's genetic material in the form of DNA & controls many of the cells activities
organelle a tiny cell structure that carries out a specific function within the cell
ribosome a small grain shaped organelle in the cytoplasm of a cell that produces proteins
cytoplasm the thick fluid region of a cell located inside the cell membrane (in prokaryotes) or between the cell membrane and nucleus (in eukaryotes)
mitochondria rod shaped organelles that convert energy in food molecules to energy the cell can use to carry out its functions
endoplasmic reticulum an organelle that forms a maze of passageways in which proteins and other materials are carried from one part of a cell to another
golgi apparatus an organelle in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages them, and distributes them to other parts of the cell
vacuole a sac-like organelle that stores water, food, and other materials
chloroplast an organelle in the cells of plants and some other organisms that captures energy from sunlight and changes to an energy form that cells can use in making food
lysosome a cell organelle which contains chemicals that break down large food particles into smaller ones and that can be used by the rest of the cell
multicellular consisting of many cells
unicellular made of a single cell
tissue a group of similar cells that perform a specific function
organ a body structure that is composed of different kinds of tissues that work together
organ system a group of organs that work together to perform a major function
Created by: jprevost5