Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 55581
TLS Online TPP Program

#Question id: 15812

In which type of cells, Sxl remains inactive during the early stages of development in drosophila?

#Unit 5. Developmental Biology
  1. XX cells
  2. XY cells
  3. XO cells
  4. XXY cells
More Questions
TLS Online TPP Program

#Question id: 662

#Unit 1. Molecules and their Interaction Relevant to Biology

________ received a Nobel Prize in 1964 for determining the structure of vitamin B12. He/she also solved the structure of penicillin in 1947 and developed many techniques used in the study of large proteins.
TLS Online TPP Program

#Question id: 1000

#Unit 1. Molecules and their Interaction Relevant to Biology

 Which of the following is (are) true of the B oxidation of long-chain fatty acids?

1. The enzyme complex that catalyzes the reaction contains biotin.

2. FADH2 serves as an electron carrier.

3. NADH serves as an electron carrier.

4. Oxidation of an 18-carbon fatty acid produces six molecules of propionyl-CoA.

5. Oxidation of a 15-carbon fatty acid produces at least one propionyl-CoA.
TLS Online TPP Program

#Question id: 5823

#Unit 8. Inheritance Biology

provide a selective advantage to the organism when grown in its original environment.
TLS Online TPP Program

#Question id: 21141

#Unit 12. Applied Biology

A vector contains the nitR gene under the control of the nitA promoter in a separate operon, the expression of vector is used, upon the addition of the inducer. The inducer–NitR protein complex activates the transcription of both the target gene(s) and nitR and increased level of NitR results in a very high level of production of the target protein(s). Which type of inducer using by nitR?
TLS Online TPP Program

#Question id: 596

#Unit 1. Molecules and their Interaction Relevant to Biology

The reason to rewrite the Michaelis-Menten equation (such as the Lineweaver-Burk plot) is to