Bio 181 Exam 1 Latest Update Graded A+

Bio 181 Exam 1 Latest Update Graded A+ DNA deoxyribonucleic acid, the material that contains the information that determines inherited characteristics Electron microscope instrument that uses a beam of electrons instead of light to magnify structures up to 500,000 times actual size; allows scientists to view structures within a cell Endomembrane system The collection of membranes inside and around a eukaryotic cell Endoplasmic reticulum internal transport system of the cell, modifies proteins, and synthesizes lipids Eukaryote A cell that contains a nucleus and membrane bound organelles Extracellular matrix The substance in which animal tissue cells are embedded, consisting of protein and polysaccharides. Facilitated diffusion pathway provided by transport proteins that helps certain molecules pass through a membrane Active transport the movement of materials through a cell membrane using energy Antiport A membrane transport process that carries one substance in one direction and another in the opposite direction. Aquaporin A transport protein in the plasma membrane of a plant or animal cell that specifically facilitates the diffusion of water across the membrane (osmosis). ATP (adenosine triphosphate) main energy source that cells use for most of their work Cancer any malignant growth or tumor caused by abnormal and uncontrolled cell division Cell (biology) the basic structural and functional unit of all organisms Cell theory (biology) the theory that cells form the fundamental structural and functional units of all living organisms