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Midterm Science

Cells

QuestionAnswer
Robert Hooke one of first peopole to observe cells
Cell theory all living things are composed of cellsCells are the basic units of structure and function in living thingsAll cells are produced from other cells
Cell Wall rigid layer of nonliving material that surrounds the cells of plants and some other organisms. Cell wall help protect and support the cell. Only found in plant cell
Cell Membrane Controls what substances come into and out of a cell
Mitochondria "powerhouse" of the cell; convert energy in food molecules to energy the cell can use to carry out its functions.
Endoplasmic Riticumlum Passageways that carry proteins and other materials from one part of the cell to another
Ribosomes Function as factories to produce proteins.
nucleus directs all cells activites
Chloroplast capture energy from sunlight and use it to produce food for the cell. (only in plant cell)
vacuole stores water, food, waste and other materials.(one in Plant, many in animal)
GolgiBody receive materials from endoplasmic riticulum and send them to other parts of cell also release material outside cell
Lysosme contain chemicals that break down food particles and worn out cell parts.
Diffusion main method by which small molecules move across the cell membrane
Osmosis Diffusion of oxygen
active transport requires the cell to use its own energy, whil passive transport does not.
passive transport the movement of dissolved miterials through a cell membrane without using cellular energy is called passive transport
Created by: dristongalvao
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