Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 35385
TLS Online TPP Program

#Question id: 5844

In homologous genetic recombination, RecA protein is involved in:

#Unit 8. Inheritance Biology

  1. formation of Holliday intermediates and branch migration.

  2. introduction of negative supercoils into the recombination products.

  3. nicking the two duplex DNA molecules to initiate the reaction.

  4. pairing a DNA strand from one duplex DNA molecule with sequences in another duplex, regardless of complementarity.

More Questions
TLS Online TPP Program

#Question id: 4308

#Unit 3. Fundamental Processes

Most repressor proteins are allosteric. Which of the following molecules binds with the repressor to alter its conformation and therefore affect its function?
TLS Online TPP Program

#Question id: 1530

#Unit 4. Cell Communication and Cell Signaling

What are the differences and similarities between the transforming genes of retroviruses and those of DNA tumor viruses?
TLS Online TPP Program

#Question id: 18596

#Unit 11. Evolution and Behavior

First toothed birds appear in which geological time periods?
TLS Online TPP Program

#Question id: 19697

#Unit 13. Methods in Biology

How to record through limb lead II in ECG?
TLS Online TPP Program

#Question id: 10395

#Unit 6. System Physiology – Plant

Which of the following responses is not shown Photoreversibility and Reciprocity?