# Microbial Metabolism

## Click on any option to know the CORRECT ANSWERS

 Question 1
The glyoxylate cycle is used by some microorganisms when..... is the sole carbon source.
 A acetate B nitrate C carbon dioxide D all of these

 Question 2
In order to get inorganic phosphorous into organic compounds, the phosphate ion is incorporated via
 A substrate level phosphorylation B oxidative phosphorylation C both (a) and (b) D DNA

 Question 3
Which of the following statement is correct?
 A Phosphate repression can not be eliminated by optimization of nutrient medium, deregulated medium must be used as production strains B Phosphate repression can be eliminated by optimization of nutrient medium, deregulated medium must be used as production strains C Phosphate repression can be eliminated by optimization of nutrient medium, regulated medium must be used as production strains D Phosphate repression can not be eliminated by optimization of nutrient medium, regulated medium must be used as production strains

 Question 4
DAHP synthetase catalyzes the condensation of
 A erythrose-4-phosphate B phosphoenol pyruvate C both (a) and (b) D phenylalanine
Incorporation of atmospheric N$_{2}$to NH$_{4}$$^{+}$ occurs via the process of