Practice+Quiz+6

Microbiology quiz Part 1: multipl e choice. 1). What is a Viruses?   A.    Particles of nucleic acid, protien, and somes cases lipids.    B.    A disease that stays in your system and can kill you    C.    Non-living organisms that can kill you    D.    All of the above   2). A typical virus is composed of a core of_____ and_____ A. Bacteria and Viruses B. DNA and RNA C. Capsid and bacteriophages D. lytic and lysogenic infections 3). A viruse’s protien coat is called  A. bacteriophage   B. Capsid   C. prophage   D. None of these   4. What are viruses that infect bacteria?   A. retroviruses   B. lysogenic infection   C. bacteriophage   D. lipids   5. Where the host cell is destroyed?   A. lytic infection   B. lysogenic infection   C. prophage   D. capsid   6. In a lytic infection a virus does all but the following   A. enters the cell   B. provides food for the cell   C. makes copies of itself   D. Causes the cell to burst   7. Who were the two people that created the micrroscope and helped us in the making in descovering bacterias   A. George W. Bush and John Kerry   B. Wendell Stanley and Robert Hooke   C. Robert Hooke and Anton Van Leeuwenhoek   D. Jim P. and Hillary Clinton   8. The unicellular organism that lacks a nucleus   A. Bacteria   B. Bacilli   C. Eubacteria   D. Prokaryotes  Part 2: Matching. Some choices may not be used 1.   Bacilli A. Means depending o n their environment 2.   Cocci B. When a bacterium has grown so that it has doubled 3.   Spirilla in size 4.   Chemoheterotrophs C. Spiral and corkscrew shaped 5.   Photoheterotrophs D. Use light energy to convert carbon Dioxide and water 6.   Photoautotrophs  to carbon compounds 7.   Chemoautotrophs E. Bacteria exchanges generic information 8.   Obligate anerobes F. Rod shaped prokaryotes 9.   Obligate areobes Is formed when a bacterium produces a thick internal 10.   Facultative anaerobes wall that encloses it’s DNA. 11.   Binary fission G. Take in organic molecules for both energy and supply 12.   Conjuction of carbon Endospore H. Bacteria that do not require oxygen