Under stress conditions bacteria accumulate

1.	Under stress conditions bacteria accumulate
A.	ppGpp (Guanosine tetraphosphate)
B.	pppGpp (Guanosine pentaphosphate)
C.	both ppGpp pppGpp
D.	either ppGpp or pppGpp
Answer» D. either ppGpp or pppGpp

Discussion

No Comment Found

Related MCQs

Match the products in group 1 with their producer organisms given in group 2 Group 1 P. Ethanol Q. L-Lysine R. Biopesticide S. Vancomycin Group 2 1. Streptomyces orientalis 2. Saccharomyces cerevisiae 3. Corynebacterium glutamicum 4. Bacillus thuringiensis
Match the commercial microbial sources in Group I with the products in Group II. Group I P. Corynebacteriumlilium Q. Klebsiellaoxytoca R. Aspergillusniger S. Alcaligeneseutrophus Group II 1. 2,3-Butane di-ol 2. Poly- -hydroxybutyric acid 3. Glutamic acid 4. Citric acid
Match the cell structures in Group I with the organismsin Group II. Group I P. Endospores Q. Bipolar flagella R. Pseudomurine in cell wall S. Periplasmic flagella Group II 1. Methanobacterium 2. Treponema 3. Spirillum 4. Clostridium
Which of the following are TRUE for Treponema pallidum? P. It is the causative agent of syphilis Q. It is a spirochete R. It is a non-motile bacterium S. It is generally susceptible to penicillin Choose the correct combination.
Match the products in Group I with the microbial cultures in Group II used for their industrial production <table width="300px" border="0"><tbody><tr><td>Group I </td><td> Group II </td></tr><tr><td>P. Gluconic acid </td><td> 1. Leuconostoc mesenteroids </td></tr><tr><td>Q. L Lysine </td><td> 2. Aspergillus niger </td></tr><tr><td> R. Dextran </td><td> 3. Brevibacterium flavum </td></tr><tr><td> S. Cellulase </td><td> 4. Trichoderma reesei </td></tr></tbody></table>
A bacterium belonging to cocci group has a diameter of 2 m. The numerical value of the ratio of its surface area to volume (in m 1) is ______
Match the microorganisms in Group I with their fermentation products in Group II. <table width="400px" border="0"><tbody><tr><td>Group I </td><td> Group II </td></tr><tr><td>P. Leuconostoc mesenteroids </td><td> 1. Cobalamin </td></tr><tr><td> Q. Rhizopus oryzae </td><td> 2. Sorbose </td></tr><tr><td>R. Gluconobacter suboxydans </td><td> 3. Dextran </td></tr><tr><td>S. Streptomyces olivaceus </td><td> 4. Lactic acid </td></tr><tr><td></td><td>5. Butanol </td></tr></tbody></table>
Which combination of the following statements is CORRECT for cyanobacteria ? P. They can perform oxygenic photosynthesis Q. Usually filamentous forms are involved in nitrogen fixation R. Nitrogen fixation occurs in heterocysts S. They cannot grow in a mineral medium exposed to light and air
Match Group I with Group II <table width="400px" border="0"><tbody><tr><td>Group I </td><td> Group II </td></tr><tr><td>P. Staphylococcus aureus </td><td> 1. Biofilms </td></tr><tr><td>Q. Candida albicans </td><td> 2. Bacteriocins </td></tr><tr><td> R. Mycobacterium </td><td> 3. Methicillin tuberculosis resistance </td></tr><tr><td>S. Lactobacillus lactis </td><td> 4. Isoniazid </td></tr></tbody></table>
Match the products in Group 1 with their producer organisms in Group 2 : <table width="400px" border="0"><tbody><tr><td>Group 1</td><td> Group 2 </td></tr><tr><td>P. Ethanol from glucose </td><td> 1. Aspergillus niger </td></tr><tr><td>Q. Probiotics </td><td> 2. Leuconostoc mesenteroides </td></tr><tr><td>R. Citric acid </td><td> 3. Saccharomyces cerevisiae </td></tr><tr><td> S. Sauerkraut </td><td> 4. Bifidobacterium </td></tr></tbody></table>

Under stress conditions bacteria accumulate

Discussion

No Comment Found

Related MCQs

Reply to Comment