Cell organelles & parts

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Golgi apparatus

Stack of membranes in the cell that modifies, sorts, and packages proteins from the endoplasmic reticulum

cilium

short hairlike projection similar to a flagellum; produces movement in many cells

endoplasmic reticulum

internal membrane system in cells in which lipid components of the cell membrane are assembled and some proteins are modified

chloroplast

responsible for converting sunlight into chemical energy

plasma cell membrane

thin, flexible barrier around a cell; regulates what enters and leaves the cell

lysosome

contains digestive enzymes

cytoskeleton

network of protein filaments within some cells that helps the cell maintain its shape and is involved in many forms of cell movement

centriole

one of two tiny structures located in the cytoplasm near the nuclear envelope; helps in mitosis

nucleus

controls most cell processes and contains hereditary information (DNA)

vacuole

cell organelle that stores materials such as water, salts, proteins, and carbohydrates

mitochondria

the powerhouse of the cell, responsible for the production of ATP (energy)

ribosome

produces proteins by following coded instructions from the nucleus

nucleolus

small, dense region within most nuclei in which the assembly of proteins begins

pseudopod

temporary projection of cytoplasm, or a "false foot", used by some protists for feeding or movement

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