The discussion of carbohydrate catabolism includes some of the many metabolic variations microbes are capable of. Devise a set of biochemical tests to identify the Gram-negative bacteria mentioned. Assume you can detect various organic compounds. Prepare a dichotomous key of your identification scheme.
What will be an ideal response?
Many answers are possible. Figure 5.3 shown below is one example, based on glucose and lactose fermentation. Test for ability to ferment glucose and lactose. If glucose is fermented, test for the presence of 6-phosphogluconic acid and 2,3-butandiol.
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Thermoactinomyces vulgaris is the causative agent for ________.
A. primary atypical pneumonia B. cystic fibrosis C. vaginitis D. farmer's lung disease
Lysosomal enzymes function best at a pH of about ____
a. 7 b. 6.5 c. 3 d. 5 e. 8.5
Plunging waves typically occur on very gently sloping coastlines
Indicate whether the statement is true or false
Based on your measurement of the length of an individual phospholipid, approximately how thick do you think a typical cell membrane is?
a. 0.1 nm b. 1 nm c. 10 nm d. 100 nm