Openstax-Microbiology Chapter 3 The Cell Exam With Complete Solutions.

pontaneous generation - Hypothesis stating that life could arise from nonliving matter. Endosymbiotic theory - theory that eukaryotic cells formed from a symbiosis among several different prokaryotic organisms Germ Theory of disease - the principle that microorganisms cause disease Ribosomes - organelles made of protein and RNA that direct protein synthesis in the cytoplasm Prokaryotic cells - cells without a nucleus or other membrane-bound organelles Eukaryotic cells - Larger, complex, with nucleus, membrane bound organelles, DNA tightly wrapped around histone proteins in chromosomes, cellulose in plant cell walls. cell morphology - Study of cell shape and size. Cell wall - A rigid layer of nonliving material that surrounds the cells of plants and some other organisms. osmotic pressure - pressure that must be applied to prevent osmotic movement across a selectively permeable membrane osmosis - Diffusion of water through a selectively permeable membrane isotonic medium - The solute concentrations inside and outside the cell are approximately equal, so there is no net movement of water across the cell membrane