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Cell Parts - Ch. 1

Ms. Novak's 7th Grade Life Science Study Guide - Chapter 1

cell membrane selectively permeable layer that allows material into and out of the cell
cytoplasm gel-like substance that fills the cell; all the organelles "float" in it
nucleus the "brain" of the cell (directs all the cell's activities)
mitochondria the powerhouse of the cell and the site of cellular respiration
ribosomes produces proteins
endoplasmic reticulum transports proteins
lysosomes "clean up" crew of the cell; digests old cell parts
vacuoles storage tank of the cell; stores food, water, wastes
chloroplasts found in plant cells; contain chlorophyll; the site of photosynthesis
cell wall found in plant, bacteria, and fungi cells; protects & supports the cell
Created by: tnovak