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20 Cards in this Set

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Prokaryote
No Nucleus; Single circular strand of DNA
Eukaryote
DNA in a membrane - bound structure (Nucleus)
Cell Walls
Porous, polysaccharide; net-like
Plasma Membranes
Differentially permeable
Cytoplasm (Protoplasm)
Colloidial, jelly-like substance composed mostly of water
Endoplasmic Reticulum (ER)
Membranous network of tubules in cytoplasm
Plastids
Chloroplasts, chromoplasts, leucoplasts
Nucleus
Defining organelle of eukaryotes; separates DNA physically and chemically from the cytoplasm
Mitochondria
an organelle; "cellular power plants," because they convert organic materials into energy in the form of ATP via the process of oxidative phosphorylation
Flagella
Long, whip-like motile structure that projects from a cell
Cillia
A motile or sensory structure that projects from the plasma membrane of certain eukaryotic cells
Vesicles
store, transport, or digest cellular products and wastes.
Lysosome
Vesicle filled with enzymes that functions in intracellular digestion
Vacuoles
membrane-bounded compartments within some eukaryotic cells that can serve a variety of secretory, excretory, and storage functions
Centrioles
organise the pericentriolar mateial (PCM) which plays a role in organizing the mitotic spindle. The mitotic spindle functions in separating the chromosomes
Membrane
a lipid bilayer that acts as a boundary to various cellular structures
Cell Wall
Of many cells, not animal cells, a semiridge but permeable structure that surrounds the plasma membrane
Chromosomes
In eukaryotic cells, one of many linear DNA molecules with attached histones and other proteins. Prokaryotic cells have one circular chromosome
Ribosomes
In all cells, a structure that translates genetic information in mRNAs into proteins
Golgi Bodies
Organelle of the endomembrane system; enzymes in it modify new polypeptide chains and assemble lipids, then package both in vesicles