Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 37080
TLS Online TPP Program

#Question id: 26454

Which of the following is incorrect related to prokaryotic promoter search

#Unit 3. Fundamental Processes

  1. Initiation complex contains sigma and covers ~75 bp

  2. Initiation complex contains sigma and covers only 15 bp

  3. Initial elongation complex forms at 10 bases, may lose sigma, and loses contacts from -35 to -55

  4. General elongation complex forms at 15-20 bases and covers 30-40 bp
More Questions
TLS Online TPP Program

#Question id: 12903

#Unit 13. Methods in Biology

A gene isolation system that uses adapted vectors termed as_______
TLS Online TPP Program

#Question id: 15007

#Unit 8. Inheritance Biology

You set up a cross between true breeding wild type male fruit flies and true breeding female flies with a yellow body color. You notice in the F1 generation that half the flies, specifically all the males, have yellow body color while the females are wild type (gray). Which of the following explanations is the most likely?
TLS Online TPP Program

#Question id: 2882

#Unit 2. Cellular Organization

SUMO (small ubiquitin-related modifier) proteins are ∼10-kD polypeptides that function as reversible post-translational protein modifiers. They form isopeptide bonds with ɛ-amino groups of acceptor Lys residues in hundreds of target proteins in a process termed as sumoylation. Which of the following statements is correct regarding this modification?
TLS Online TPP Program

#Question id: 26863

#Unit 10. Ecological Principles

Which of the following is correctly seen about Assimilation efficiency?
TLS Online TPP Program

#Question id: 27105

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is examples of  β barrel structure