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TLS Online TPP Program

#Question id: 4453

Correct statements about regions of the s70 factor which can be divided into four regions called s region 1 through s region 4;

#Unit 3. Fundamental Processes

  1. Region 2.3 is responsible for melting the DNA

  2. The extended –10 element, where present, is recognized by an a helix in s region 3

  3. The discriminator is recognized by s region 1.2.

  4. A, B and C 

More Questions
TLS Online TPP Program

#Question id: 23585

#Unit 14. Methods in Biology

________ are small, circular DNA molecules used as vectors for DNA fragments up to 1-5 kb in size.
TLS Online TPP Program

#Question id: 23586

#Unit 14. Methods in Biology

Which of the following is true, concerning the plasmid vector, pBR322?
TLS Online TPP Program

#Question id: 23587

#Unit 14. Methods in Biology

Plasmids are usually introduced into bacterial cells by ________.
TLS Online TPP Program

#Question id: 23588

#Unit 14. Methods in Biology

Bacterial artificial chromosomes (BACs) require ________ in order to successfully enter into bacterial cells.
TLS Online TPP Program

#Question id: 23589

#Unit 14. Methods in Biology

Which of the following is an advantage of phage vectors over plasmid vectors?
TLS Online TPP Program

#Question id: 23590

#Unit 14. Methods in Biology

________ replicate in either prokaryotic or eukaryotic cells.