The best classification system is that which most closely ________.

TLS Online TPP Program

#Question id: 31418

#XL - S Microbiology

Which nutritional group does a bacterium belong to if it obtains energy from a chemical source, with 𝐶𝑂2 as the principal carbon source, and an inorganic electron donor?

TLS Online TPP Program

#Question id: 31419

#XL - S Microbiology

Twitching motility in bacteria is primarily mediated by:

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