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16 Cards in this Set

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Ekaryote
Nucleus, and membrane bound organelles
Prokaryote
No nucleus
Molecule
A structure composed of two or more atoms held together by chemical bonds.
Cytoskeleton
Protein microfiloments and microtubles that allows a cell to have a characteristic shape.
Organelle
A cytoplasmic structure that has a specialized function.
Endoplasmic Reticulum
A system of cytoplasic membranes arranged into sheets of channels that functions in synthesizing and transporting gene products.
Golgi Apparatus
Membranous organelles composed of a series of flattened sacs. They sort, modify, and package proteins synthesized in the ER.
Lysosomes
Membrane-enclosed organelles that contain digestive enzymes.
Mitochondria
Membrane-bound organelles present in the cytoplasm of all eukaryotic cells that are the sites of energy production within cells.
Nucleus
Contains the chromosomes in the eukaryotic cells.
Nucleolus
A nuclear region that functions in the synthesis of ribosomes.
Chromatin
the component material of chromosomes visable as clumps or threads in nuclei under a microscope.
Chromosomes
The threadlike structures in the nucleus tat carry genetic information.
Gene
The fundamental unit of heredity.
Homologues
Members of a chromosomal pair.
Diploid
The condition in which each chromosome is represented twice as a member of a homologous pair.