Why might a peahen choose to mate with a peacock with a long, gaudy tail?

TLS Online TPP Program

#Question id: 34176

#Unit 3. Fundamental Processes

A. The lagging strand must be synthesized in the form of Okazaki fragments. 

B. Both strands are synthesized discontinuously. 

C. Not all of the fragment population represents bona fide Okazaki fragments; some are pseudofragments

D. Primers start with the sequence pppAG positioned opposite the sequence 3’–GTC-5’ in the template

Choose true and false

TLS Online TPP Program

#Question id: 34177

#Unit 3. Fundamental Processes

Which of the following combination of the statements regarding polA mutants is correct

A. fail to join their Okazaki fragments 

B. fail to removes the RNA primer

C. fail to removes the mismatch errors

D. fail to synthesis Okazaki fragments 

TLS Online TPP Program

#Question id: 34178

#Unit 3. Fundamental Processes

A. SSBs interact with ssDNA in a sequence-independent manner. 

B. SSBs primarily contact ssDNA through electrostatic interactions with the phosphate backbone and stacking interactions with the DNA bases.

C. SSBs interact with ssDNA in a sequence dependent manner via hydrogen bonds with phosphate backbone

D. SSBs shows sigmoidal behaviour of binding

Choose true and false

TLS Online TPP Program

#Question id: 34179

#Unit 3. Fundamental Processes

A. At the replication fork, the dsDNA in front of the fork becomes increasingly positively supercoiled.

B. At the replication fork, the dsDNA in front of the fork becomes increasingly negatively supercoiled.

C. The “swivelase” that prevents the accumulation of positive supercoils ahead of the replication fork.

D. The “swivelase” that prevents the accumulation of negative supercoils ahead of the replication fork.

Which of the following combination of statements is correct

TLS Online TPP Program

#Question id: 34180

#Unit 3. Fundamental Processes

Many proteins that act at the replication fork interact tightly. Which of the following interactions participate in DNA protein interactions

A. Sequence dependent interaction

B. Negative charge and structure of the phosphate backbone

C. Hydrogen-bonding residues in the minor groove for the palm domain

D. Hydrophobic stacking interactions between the bases for SSBs

Choose true and false

TLS Online TPP Program

#Question id: 34181

#Unit 3. Fundamental Processes

A. In mammalian systems the DNA polymerase does not have a 5’–3’ exonuclease activity

B. In eukaryotes Synthesis of an Okazaki fragment displaces the RNA primer of the preceding fragment in the form of a “flap.”

C. FEN1 functions as an endonuclease and also has a 5’–3’ exonuclease activity

D. FEN1 prevents deletions or duplications in the genome.

Choose true and false