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TLS Online TPP Program

#Question id: 2628

Choose true statement about lac repressor;

#Unit 2. Cellular Organization

  1. Lac repressor binds as a dimer.

  2. located 400 bp downstream and 90 bp upstream of the primary operator.

  3. Each operator is contacted by only one of these subunits.

  4. The different oligomeric form alters the mechanism of DNA recognition.

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TLS Online TPP Program

#Question id: 6971

#Unit 5. Developmental Biology

Neural crest cells taking the dorso-lateral route will become:
TLS Online TPP Program

#Question id: 18377

#Unit 12. Applied Biology

Why xenobiotic compounds are considered ad recalciterants?
TLS Online TPP Program

#Question id: 9186

#Unit 9. Diversity of Life Forms

A pathogenic fungus invades a plant. What does the infected plant produce in response to the attack?
TLS Online TPP Program

#Question id: 11413

#Unit 10. Ecological Principles

Which of the following is NOT an attribute of a species that makes it vulnerable to extinction?
TLS Online TPP Program

#Question id: 5089

#Unit 5. Developmental Biology

The archenteron of the developing sea urchin eventually develops into the ________.