thin flexible barrier that regulates what enters and exits the cell; composed of two layers of lipids
membrane surrounding the nucleus
contains the DNA and controls all of the cell's acitivities
helps to assemble ribosomes
material between the cell membrane and the nucleus
breaks down food to make ATP
internal transport system of the cell, modifies proteins, and synthesizes lipids
stack of membranes that modify proteins and creates "packages" to send them to other locations
filled with enzymes to breakdown dead cell parts and foreign objects; only found in animal cells
stores water and nutrients for the cell; very large in plant cells
provides structure and support around cell membrane of plants, fungi, and some bacteria
uses sunlight to make carbohydrates in plants, some bacteria and protists
organize the spindle fibers to separate chromosomes during animal cell mitosis
network of proteins in the cytoplasm that help cell maintain its shape
hairlike projections that help some cells move
whiplike structure some cells use for propulsion
projection of cytoplasm that some protists use for movement and feeding
cell without a nucleus, it contains a cell membrane, cytoplasm, and ribosomes; bacteria
cell with a nucleus and membrane bound organelles; animals, plants, protists, fungi
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