MICROBIOLOGY FINAL STRAIGHTERLINE, STRAIGHTERLINE MICRO 250 FINAL PREP

MICROBIOLOGY FINAL STRAIGHTERLINE, STRAIGHTERLINE MICRO 250 FINAL PREP The study of evolutionary relationships among organisms is called ______. - ANSWER phylogeny The three cell types discussed, eukaryotes, archaea, and bacteria, all derived from ______. - ANSWER Last Universal Common Ancestor Organisms called parasites are ______. - ANSWER always harmful to their host Which of the following does not indicate microbe involvement in energy and nutrient flow? - ANSWER Thermal hot springs warmed by heat from earth's interior The subatomic particles that surround the nucleus are the ______. - ANSWER Electrons The number one worldwide infectious diseases are ______. - ANSWER respiratory disease A fat is called _____ if all carbons of the fatty acid chain are single-bonded to 2 other carbons and 2 hydrogens. - ANSWER saturated One technique for staining bacteria for viewing under the microscope is called the Gram stain. In this technique, alcohol is used as a decolorizer because it degrades the outer membrane found in some bacteria. What chemical component of the cell does alcohol affect? - ANSWER lipid