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प्रश्न
Answer the following question based on Meselson and Stahl's experiment on E. coli :
Write the name of the chemical substance used as the only source of nitrogen in the experiment.
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उत्तर
NH4Cl was used as the only source of nitrogen in the experiment.
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संबंधित प्रश्न
The micro-organism used in the production of acetic acid is ______.
Saccharomyces cerevisiae is used to produce enzyme ______.
Name two acids produced by using Aspergillus niger?
Match the enzyme in column l with its microbial source in column ll and select the correct alternative.
| Column I | Column II | ||
| (i) | lnvertase | (a) | Rhizopus sp |
| (ii) | Pectinase | (b) | Saccharonmyces cerevisiae |
| (iii) | Lipase | (C) | Trichoderma konigi |
| (iv) | Cellulase | (d) | Sclerotiana libertine |
In alcoholic fermentation:
Write the most important characteristic that Aspergillus niger, Clostridium butylicum, and Lactobacillus share.
State the most important contribution of the following microbes for human welfare:
Monascus purpureus
Match the following pairs:
| Column A | Column B | ||
| Antibiotic produced | Microbial source | ||
| (i) | Penicillin | (a) | Streptomyces venezuelae |
| (ii) | Chloromycetin | (b) | Bacillus licheniformis |
| (iii) | Bacitracin | (c) | Streptomyces aurifaciens |
| (iv) | Erythromycin | (d) | Streptomyces griseus |
| (v) | Streptomycin | (e) | Penicillium chrysogenum |
| (vi) | Terramycin | (f) | Streptomyces erythreus |
Which one of the following is not true about antibiotics?
Which of the following is a commercial blood cholestrol lowering agent?
