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Chapter 4

Section 3

QuestionAnswer
a double layer of phospholipids that makes up plasma and organelle membranes phospholipid bilayer
in a eukaryotic cell, one of the structures in the nucleus that are made up of DNA and protein; in a prokaryotic cell, the main ring of DNA chromosome
the double membrane that surrounds the nucleus of a eukaryotic cell nuclear envelope
the part of the eukaryotic nucleus where ribosomal RNA is synthesized nucleolus
a cell organelle composed of RNA and protein; the site of protein synthesis ribosome
in eukaryotic cells, the cell organelle that is surrounded by two membranes and that is the site of cellular respiration, which produces ATP mitochondrion
a system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins and in the production of lipids endoplasmic reticulum
cell organelle that helps make and package materials to be transported out of the cell Golgi apparatus
a cell organelle that contains digestive enzymes and that buds from the Golgi apparatus lysosome
the cytoplasmic network of protein filaments and tubes that plays an essential role in cell movement, shape, and division cytoskeleton
one of the small, tubular fibers composed of the portein tubulin that are found in the cytoplasm of eukaryotic cells, that compose the cytoskeleton, and that play a role in cell structure and movement microtubule
a fiber found inside eukaryotic cells that is composed mainly of the protein actin and that has a role in cell structure and movement microfilament
a hairlike structure arranged in tightly packed rows that projects from the surface of some cells cilium
a long, hairlike structure that grows out of a cell and enable the cell to move flagellum
an organelle that is composed of two short microtubules at right angles to each other and that has an active role in mitosis centriole
Created by: fasolak16
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