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Unformatted text preview: 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 110 o C are called. a. Psychrophiles b. Mesophiles c. Thermophiles d. Hyperthermophiles (10) 6. Draw and label the cell envelope for gram positive 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. Teichoic acid Cell wall Periplasm Plasma 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.
- Fall '08