Ch 7 Definitions 1

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Ch 7 Definitions 1
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Idea that all living things are made of cells.
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Cell Theory
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Basic unit of all forms of life.
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Cell
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Granular material in the nucleus composed of DNA
coiled around protein
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Chromatin
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Threadlike structure composed of DNA that stores
genetic information.
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Chromosome
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Jellylike material inside the cell membrane made
of water and organelles.
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Cytoplasm
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Organism whose cells contain nuclei
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Eukaryote
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Layer of two membranes that surround the nucleus
of a cell
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Nuclear envelope
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Structure that contains the cells genetic
material and controls the cells activities.
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Nucleus
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Specialized structure that performs important
functions within a eukaryotic cell.
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Organelle
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Unicellular organism lacking a nucleus.
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Prokaryote
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end