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ELL Biology Ch 3

Cell Structure and Function

cell membrane a thin, protective covering around a cell
cytoplasm a jellylike substance that fills a cell
organelle a part in a cell that floats in the cytoplasm and helps the cell carry out life functions
nucleus the part of a cell that controls all the other parts..(plural ..nuclei)
mitochondria structures in a cell that release most of a cells energy ..(singular...mitochondrion)
vacuole a structure in a cell that stores food, water, or wastes
chloroplast a part in a plant cell that uses sunlight to make food
cell wall a thick, stiff covering around some cells, such as plant cells
tissue a group of cells that work together to do a certain job
organ a group of tissues that work together to do a certain job
mitosis the division of the nucleus of a cell
chromosome a thick strand of nuclear material that passes on traits from the parent cell to the daughter cells during cell reproduction
meiosis the type of cellular reproduction that produces sex cells
ribosomes organelles that make proteins for the cell
endoplasmic reticulum a network of tubes inside a cell that helps in protein synthesis and transport
Golgi bodies flattened, folded sacs that package and move materials within a cell
lysosomes cell parts that contain chemicals that breakdown substances and old cell parts that the cell doesn't need
cell the basic unit of structure and function in all living things
Created by: Jesse Wayland