Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 59249
TLS Online TPP Program

#Question id: 33377

The α helices of proteins have an average length of 

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. More than 3 helical turns, and a length of ∼18 A.
  2. More than 4 helical turns, and a length of ∼20 A
  3. More than 5 helical turns, and a length of ∼28 A
  4. More than 6 helical turns, and a length of ∼19 A
More Questions
TLS Online TPP Program

#Question id: 18926

#Unit 13. Methods in Biology

plasmids that can be propagated in cells of two or more species are called.
TLS Online TPP Program

#Question id: 18927

#Unit 13. Methods in Biology

Which of the following statements, if any, is false?
TLS Online TPP Program

#Question id: 18928

#Unit 13. Methods in Biology

With respect to nucleic acid hybridization, which, if any, of the following statements is false?
TLS Online TPP Program

#Question id: 18929

#Unit 13. Methods in Biology

The heterozygosity of any locus can be ascertained by
TLS Online TPP Program

#Question id: 18930

#Unit 13. Methods in Biology

The genomic DNA to be cloned is prepared by partial digestion with restriction endonucleases to obtain a suitable fragment size. Genomic fragments are then separated by using
TLS Online TPP Program

#Question id: 18936

#Unit 13. Methods in Biology

Cloning vectors with the transcription and translation signals needed for the regulated expression of a cloned gene are called