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MB 4.2

MB Chapter 4, Section 2

TermDefinition
plasma membrane cell membrane, the cell's outer body
cytoplasm the region in the cell within the membrane that includes the fluid, the cytoskeleton, and all of the organelles except the nucelus
cytosol the soluble portion of the cytoplasm, which includes molecules and small particles, such as ribosomes, but the organelles covered with membranes
nucleus an atom's central region, which is made up of protons ands neutrons. in a eukaryotic cell, a membrane-bound organelle that contains the cell's DNA and that has a role in processes such as growth, metabolism, and reproduction.
prokaryote a single-celled organism that has no nucleus and has no membrane-bound organelles; examples include bacteria and archaea
eukaryote an organism made up of cells that have a nucleus enclosed by a membrane, multiple chromosomes, and a mitotic cycle; eukaryotes include animals, plants, and fungi but not bacteria or archaea
organelle one of the small bodies that are found in the cytoplasm of a cell and that are specialized to perform a specific function
tissue a collection of specialized cells and cell products that perform a specific function
organ a collection of tissues tat carry out a specialized function of the body
organ system a group of organs that accomplish related tasks
Created by: simmonsr20