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biology vocab

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QuestionAnswer
cell basic unit of all forms of life
cell theory fundamental concept of biology that states that all living things are composed of cells
cell membrane thin, flexible barrier that surrounds all cells; regulates what enters and what leaves the cell
nucleus structure that contains the cell's gentle material in the form of DNA
eukaryotic organism whose cell contain a nucleus
prokaryotic unicellular organism that lacks a nucleus
cytoplasm fluid portion of the cell outside the nucleus
organelle specialized structure that performs important cellular functions within a eukaryotic cell
ribosome cell organelle consisting of RNA and protein found throughout the cytoplasm in a cell: the state of protein synthesis
endoplasmic reticulum internal membrane system found in eukaryotic cells
golgi apparatus organelle in cells that modifies, sorts, and packages proteins and other materials from the endoplasmic reticulum for storage in the cell or release outside the cell
vacuole cell organelle that stores materials such as water, suits, proteins and carbohydrates
lysosomes cell organelle that breaks down lipids, carbohydrates, and proteins into small molecules that can be used by the rest of the cell
cell wall strong, suppordins layer around the cell membrane in some cells
cytoskeleton networks of protein filaments in a eukaryotic cell that gives the cell its shape and internal organization
chloroplast organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy
mitochondrion cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use
lipid bilayer flexible double-layered sheet that makes up the cell membrane and forms a barrier between the cell and its surroundings
selectively permeable property of biological membranes that allows some substances to pass across it while others cannot; also called semipermeable membrane
Created by: anthony98
 

 



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