Practice Questions

TLS Online TPP Program

#Question id: 2673

For a repressible operon to be transcribed, which of the following must be true?

#XL - T Zoology

A corepressor must be present.
RNA polymerase must bind to the promoter, and the repressor must be inactive.
RNA polymerase and the active repressor must be present.
RNA polymerase cannot be present, and the repressor must be inactive.

More Questions

TLS Online TPP Program

#Question id: 15680

#XL - S Microbiology

A common environmental organism that may even grow in certain chemical disinfectants is

TLS Online TPP Program

#Question id: 15681

#XL - S Microbiology

Moist heat kills microorganisms by

TLS Online TPP Program

#Question id: 15682

#XL - S Microbiology

Boiling is not reliable for sterilization because

TLS Online TPP Program

#Question id: 15683

#XL - S Microbiology

A common application of dry heat in the microbiology laboratory is to

TLS Online TPP Program

#Question id: 15702

#XL - S Microbiology

Following are few sterilization techniques and materials used in plant tissue culture. Identify the correct combinations.

TLS Online TPP Program

#Question id: 15703

#XL - S Microbiology

Most commonly used carbon source in nutrient medium for plant tissue culture is