Practice Questions

TLS Online TPP Program

#Question id: 2962

Which of the following experimental observations (some real, some contrived) would not be consistent with our current understanding of cytokinesis?

#Unit 2. Cellular Organization

Anti-myosin antibodies injected in a dividing cell cause cytokinesis to stop.
When the myosin II gene is mutated, cells undergo nuclear division, but not cytokinesis.
Anti-actin antibodies injected into dividing cells have no effect on cytokinesis.
Actin filaments seen in micrographs are aligned parallel to the cleavage furrow.

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TLS Online TPP Program

#Question id: 34098

#Unit 3. Fundamental Processes

If Cdc6 is made available to bind to the origin during G2 (by ectopic expression) which of the following correct

TLS Online TPP Program

#Question id: 34099

#Unit 3. Fundamental Processes

SeqA-/dam+ strains of bacteria would leads to accumulation of

TLS Online TPP Program

#Question id: 34100

#Unit 3. Fundamental Processes

Which of the polymerase is called priming polymerases

TLS Online TPP Program

#Question id: 34101

#Unit 3. Fundamental Processes

DNA polymerases fall into five families based on sequence Homologies; all have conserve

A. Finger domain

B. Thumb domain

D. Proofreading domain

TLS Online TPP Program

#Question id: 34170

#Unit 3. Fundamental Processes

What is correct about Klenow fragment

A. is a single polypeptide of 103 kD

B. larger cleavage product of DNA Pol I of 68 kD

C. It contains the polymerase activity

D. It contains the 3’-5’ exonuclease activity

E. It contains the 5’-3’ exonuclease activity

TLS Online TPP Program

#Question id: 34171

#Unit 3. Fundamental Processes

If the rate of fidelity of replication in bacteria is 10^-9/bp. How many replications it would take to make a mistake?