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TLS Online TPP Program
#Question id: 31420
#XL - S Microbiology
In twitching motility, the retraction of Type IV pili is powered by:
TLS Online TPP Program
#Question id: 31421
#XL - S Microbiology
Which option(s) correctly match(es) the Adherence factor in a bacterial cell (Column I) with their corresponding functions (Column II).
| COLUMN I | COLUMN II |
| P. Fimbriae | i. Cell envelopes of some archaeobacteria that may promote adherence to surfaces |
| Q. Glycocalyx | ii. help attach bacteria to other bacteria or to solid surfaces |
| R. S layer | iii. Cell wall components in gram-positive bacteria that aid in adhesion |
| S. Teichoic acid | iv. viscous (sticky) and gelatinous polymer |
TLS Online TPP Program
#Question id: 31422
#XL - S Microbiology
Which type of bacteria have flagella spread evenly over their entire surface?
TLS Online TPP Program
#Question id: 31423
#XL - S Microbiology
Correctly match the bacterial type in Column I with their corresponding environmental niche in Column II.
| COLUMN I | COLUMN II |
| P. Psychrotrophs | i. Can grow at 180°C or Higher |
| Q. Thermophile | ii. pH greater than 8 |
| R. Alkalophile | iii. Optimum 30°C to maximum around 35°C |
| S. Halophile | iv. Growth more rapid at high hydrostatic pressure |
| v. Salt concentration greater than 2M |
TLS Online TPP Program
#Question id: 31424
#XL - S Microbiology
Which bacterial cell wall component is recognized by the immune system as an endotoxin?
TLS Online TPP Program
#Question id: 31425
#XL - S Microbiology
In E.coli, the bd branch of the electron transport chain is utilized under__