Cell Structure and Function
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| cell | the smallest unit that can perform all life processes; cells are covered by a membrane and contain DNA and cytoplasm
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| cell theory | the theory that states that all living things are made up of cells, that cells are the basic units of organisms, that each cell in a multicellular organism has a specific job, and that cells come only from existing cells
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| plasma membrane | or cell membrane, the cell's outer boundary
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| cytoplasm | the region of the cell within the membrane that includes the fluid, the cytoskeleton, and all of the organelles except the nucleus
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| cytosol | the soluble portion of the cytoplasm, which includes molecules and small particles, such as ribosomes, but not the organelles covered with membranes
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| nucleus | in physical science, an atom's central region, which is made up of protons and neutrons
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| prokaryote | a single-celled organism that does not have a nucleus or membrane-bound organelles; examples are archaea and bacteria
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| eukaryote | an organism made up of cells that have a nucleus enclosed by a membrane, multiple chromosomes, and a mitotic cycle
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| organelle | one of the small bodies that are found in the cytoplasm of a cell and that are specialized to perform a specific function
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| tissue | a group of similar cells that perform a common function
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| organ | a collection of tissues that carry out a specialized function of the body
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| organ system | system of organs
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| phospholipid bilayer | a double layer of phospholipids that makes of plasma and organelle membranes
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| chromosome | in a eukaryotic cell, one of the structures
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Created by:
alicemb00
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