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Science Voacab

section review

QuestionAnswer
organelle A tiny cell structure that carries out a specific function within the cell. Some produce energy, build and transport needed materials, and store and recycle waste.
cell wall A rigid layer of nonliving material that surrounds the cells of plants and some other organisms. It is made of a material called cellulose.
cell membrane A cell structure that controls which substances can enter or leave the cell.
nucleus A cell structure that contains nucleic acids, the chemical instructions that direct all the cell's activities.
chromatin Material in a cell that contains DNA and carries genetic information
cytoplasm The region between the cell membrane and the nucleus; in organisms without a nucleus , the region located inside the cell membrane.
mitochondrion rod-shaped cell structures that produce most of the energy neeed to carry out the cell's functions
endoplasmic reticulum a cell structure that forms a maze of passageways in which protiens and other materials are carried from one part of the cell to another
ribosome A small grain-like structure in the cytoplasm of a cell where proteins are made
Golgi body a structure in a cell that receives protiens and other newly formed materials from the endoplasic reticlum, packages them, and distrubuts them to other parts of the cell.
chloroplast A structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce food.
vacuole A water-filled sac inside a cell that acts as a storage area
lysosome a small round cell structure that contains cheimicals that break down large food particles into smaller ones.
Created by: inkspell
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