Bio 181 Exam 1 GCU QUESTIONS WITH COMPLETE SOLUTIONS

ATP correct answer: (adenosine triphosphate) main energy source that cells use for most of their work Cancer correct answer: any malignant growth or tumor caused by abnormal and uncontrolled cell division Cell correct answer: (biology) the basic structural and functional unit of all organisms Cell theory correct answer: (biology) the theory that cells form the fundamental structural and functional units of all living organisms Cell wall correct answer: a thin membrane around the cytoplasm of a cell Chloroplast correct answer: an organelle found in plant and algae cells where photosynthesis occurs Cilia correct answer: The hairlike projections on the outside of cells that move in a wavelike manner Cytoplasm correct answer: a jellylike fluid inside the cell in which the organelles are suspended Cytoskeleton correct answer: network of proteins in the cytoplasm that help cell maintain its shape Cytosol correct answer: the semifluid portion of the cytoplasm DNA correct answer: deoxyribonucleic acid, the material that contains the information that determines inherited characteristics Electron microscope correct answer: 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 correct answer: The collection of membranes inside and around a eukaryotic cell Endoplasmic reticulum correct answer: internal transport system of the cell, modifies proteins, and synthesizes lipids Eukaryote correct answer: A cell that contains a nucleus and membrane bound organelles Extracellular matrix correct answer: The substance in which animal tiss