Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 4109
TLS Online TPP Program

#Question id: 4322

If a particular operon encodes enzymes for making an essential amino acid and is regulated like the trp operon, then

#Unit 3. Fundamental Processes

  1. the amino acid inactivates the repressor.

  2. the repressor is active in the absence of the amino acid.

  3. the amino acid acts as a corepressor.

  4. the amino acid turns on transcription of the operon.

More Questions
TLS Online TPP Program

#Question id: 2782

#Unit 2. Cellular Organization

Open reading frame (ORF) analysis is not effective in identifying genes in higher eukaryotes because of the presence of
TLS Online TPP Program

#Question id: 33156

#Unit 2. Cellular Organization

Which of the following statement is not correct  regarding Sequential activation of the APC/C by Cdc20 and Cdh1?
TLS Online TPP Program

#Question id: 138

#Unit 1. Molecules and their Interaction Relevant to Biology

A protein that contains more isoleucine, phenylalanine and leucine than asparagine, lysine and arginine is most likely
TLS Online TPP Program

#Question id: 31372

#Unit 5. Developmental Biology

Following statements are regarding lens induction in xenopus. choose incorrect statement?
TLS Online TPP Program

#Question id: 23669

#Unit 13. Methods in Biology

The Ti plasmid is derived from ________.