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chapter 7 bio

QuestionAnswer
cell collection of living matter enclosed by a barrier that separates the cell from its surroundings; basic unit of all forms of life
cell theory idea that all living things are composed of cells,cells are the basic units of structure and function in living things, and new cells are produced from existing cells
nucleus the center of the atom which contains the protons and nuetrons; in cells, structure that contains the cell's genetic material (DNA) and controls the cell's activity
eukaryote organism whose cells contain nuclei
prokaryote unicellular organsim lacking a nucleus
organelle specialized structure that performs important cellular functions within a eukaryotic cell
cytoplasm material inside the cell membrane-not including the nucleus
nuclear envelope layer of two membranes that surrounds the nucleous of a cell
chromatin granular material visible within the nucleous; consists of DNA tightly coiled around proteins
chromosome threadlike structure within the nucleus containing the generation information that is passed from one generation of cells to the next
nucleolus small,dense region within most nuclei in which the assembly of proteins begins
ribosome small particle in the cell on which proteins are assembled;made of RNA and protein
endoplasmic reticulum internal membrane system in cells in which lipid components of the cell membrane are assembled and some proteins are modified.
golgi apparatus stack of membranes in the cell that modifies,sorts, and packages proteins from the endoplasmic reticulum
lysosome cell organelle filled with enzymes needed to break down certain materials in the cell
vacuole cell organelle that stores materials such as water,salts,proteins,and carbohudrates
mitochondrion cell organelle that converts the chemical energy stored in food into compounds that are more covenient for the cell to use
Created by: sofialunsford
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