Practice Questions

TLS Online TPP Program

#Question id: 4548

σ- subunit of prokaryotic RNA polymerase describing is incorrect

#Unit 3. Fundamental Processes

σ is a specificity factor
σ factor is a part of the holoenzyme which shows the almost similar specificity with the nicked as well as intact DNA
molecular masses of sigma (σ) is 70 kD, respectively
σ-factor donot assists the RNA polymerase in separating the DNA strands at the transcription start site

More Questions

TLS Online TPP Program

#Question id: 2934

#Unit 2. Cellular Organization

Cyclin D/Cdk4 functions during:

TLS Online TPP Program

#Question id: 2935

#Unit 2. Cellular Organization

Breakdown of the nuclear envelope during mitosis is accomplished by CDK-dependent phosphorylation of lamins:

TLS Online TPP Program

#Question id: 2936

#Unit 2. Cellular Organization

The stable attachment of sister kinetochores to microtubules emanating from opposite spindle poles is called:

TLS Online TPP Program

#Question id: 2937

#Unit 2. Cellular Organization

Separase initiates sister chromatid segregation at anaphase by cleaving:

TLS Online TPP Program

#Question id: 2938

#Unit 2. Cellular Organization

Which of the following inhibit(s) cyclin A/Cdk2 activity?

TLS Online TPP Program

#Question id: 2939

#Unit 2. Cellular Organization

Failure of which cell-cycle checkpoint is most likely to result in non-dysjunction?