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Ch. 2 - The Super-Organized Cell

Key Ideas
• a cell contains an organized group of small structures called organelles
• each organelle does a specific job
• plant cells have structures that animal cells do not have
Vocabulary
magnify - top make look larger than actual size
modified - changed
cell membrane - a thin, protective covering that surrounds a cell
nucleus - the DNA-containing control center of a cell
cytoplasm - everything between the cell membrane & the nucleus
cytosol - the liquid part of cytoplasm
organelle - small structure that does a specific job in a cell
mitochondria - energy-supplying organelles
proteins - building blocks of cells
endoplasmic reticulum - an organelle that modifies newly made proteins
ribosomes - tiny organelles that make proteins
Golgi bodies - organelles that further modify & package proteins
cytoskeleton - a supporting structure inside a cell
cell wall - a tough covering that surrounds & supports plant cells
chloroplasts - green organelles that use energy from sunlight to make sugar
vacuole - a storage organelle
Resources
Learning Master 11
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