AS Q02 H hour

AS Q02 H hour - (4) 4. The function of the capsule is a. to...

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CH357 Introduction to Microbiology Cadet ________________________ Quiz 02 30 points H hour Academic term 2008-1 (4) 1. Bacterial cell size is limited by a. the uptake of nutrients from the environment. b. the segregation of DNA into daughter cells. c. the amount of peptidoglycan in the cell envelope. (4) 2. Ether linkages can be found in the membrane lipids of a. Eubacteria b. Eukaryotes c. Archaea d. none of the above (4) 3. The cellular energy for group transport comes directly from a. the concentration gradient of the solute. b. the hydrolysis of phosphoenolpyruvate. c. the proton motive force. d. two D cells.
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Unformatted text preview: (4) 4. The function of the capsule is a. to prevent dehydration. b. protect from protozoan grazing. c. to attach the bacterium to a surface. d. all of the above. (4) 5. Organisms growing at 39 o C are called. a. Psychrophiles b. Mesophiles c. Thermophiles d. Hyperthermophiles (10) 6. Draw and label the cell envelope for gram negative bacteria. Extra credit (3 points) How are the strands of peptidoglycan linked in gram negative bacteria? Direct peptide bonds between the 3 rd and 4 th amino acids on two strands. Lipopolysaccharide Outer membrane Periplasm Cell wall Inner membrane...
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This note was uploaded on 04/15/2008 for the course CH 357 taught by Professor Labare during the Fall '08 term at West Point.

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