3. Which of the following statements regarding examples of chemotrophy is FALSE?

Question

3. Which of the following statements regarding examples of chemotrophy is FALSE? Glucose is an oxidized compound that freely donates electrons to NAD, a more reduced compound. Glucose is a reduced compound that freely donates electrons to NAD, a more oxidized compound. NAD plays an important role in chemotrophic metabolism. Glucose is an important chemotrophic carbon source a. b. c. d. Fastidious organisms would be best grown on which type of media? a. enriched b. synthetic e. all of the above 4. c. minimal d. selective 5. Which of the following can be used to directly count bacterial cells without the use of a microscope!? c. d. a. viable counts on plate b. optical density e. metabolic tests fluorescence-activated cell sorter (FACS) Petroff-Hauser counting chamber

Explanation / Answer

3. option a os false

because NAD is an oxidised compound as it receive electron from glucose and got reduced.

4.Fastidious organisms would be best grown on (a) enriched media

because these organism have a complex nutritional requirement.

5. option (a) viable count can be used without microscope

as it include colony counting and all other need microscope.

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