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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- Fall '08
- Bacteria, dehydration., Lipopolysaccharide Outer membrane