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TLS Online TPP Program

#Question id: 3811

The mechanism of DNA replication is studied in an E. coli replication fork. Which is a characteristic of this replication fork?

#Unit 3. Fundamental Processes

  1. Strands I and II have base sequences that are identical to each other.

  2. Strands II and IV have an antiparallel orientation as the fork moves to the right.

  3. Strands I and III will be covalently bonded to each other when replication is completed.

  4. Strands III and IV will be H-bonded to each other when replication is completed.

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TLS Online TPP Program

#Question id: 19830

#Unit 13. Advances in Biotechnology

The expression of avr gene must be precisely regulated: it must be expressed immediately following pathogen attack but only in
TLS Online TPP Program

#Question id: 19831

#Unit 13. Advances in Biotechnology

Expression of the avr gene would produce the elicitor that would be recognized by the corresponding R gene product; this recognition will initiate and culminate in
TLS Online TPP Program

#Question id: 19832

#Unit 13. Advances in Biotechnology

The single component system is based on the expression of a toxic polypeptide in response to
TLS Online TPP Program

#Question id: 19921

#Unit 13. Advances in Biotechnology

Which gene from B. amyloliquefaciens was placed under the control of infection-specific promoter prp 1-1 and was transferred into potato.
TLS Online TPP Program

#Question id: 19922

#Unit 13. Advances in Biotechnology

The barnase gene was placed under the control of infection-specific promoter prp 1-1 and was transferred into potato. Transgenic potatoes showed effective control of 
TLS Online TPP Program

#Question id: 19923

#Unit 13. Advances in Biotechnology

Promoter prpl-1 specifies the expression of barnase gene in such cells 1that are