Unformatted text preview: d. All of the above (4) 4. A bacterial growth medium containing extracts from animals can fit following description: a. The exact composition of all the ingredients is known. b. The exact composition of some of the ingredient may be known. c. What? Animal extracts? Gross. (4) 5. How many grams of NaCl (58.44 g/mole) must be added to 0.100 L to obtain a 1.00 mM solution? 0.100 L 1.00 mmol 0.05844 g = 0.005844 g L mmol (4) 6. What is the name of the compound you were assigned for the enrichment experiment? Extra credit (3 points) Draw the structure. (6) 7. Explain how a pure culture is obtained by the use of streak plates. A loopful of a sample containing bacteria is place on an agar plate. Utilizing a sterile loop, the bacteria are physically separated such that individual bacteria can grow to form non-overlapping colonies....
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- Fall '08
- Bacteria, exact composition, newly infected organism, wall. b. presence, membrane. c. presence, accidental contamination b.