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TLS Online TPP Program

#Question id: 2661

In the histidine operon, if the codons coding for histidine were removed, which of the following would you predict would happen?

#Unit 2. Cellular Organization

  1. the attenuator would form, stopping further transcription

  2. the attenuator would not form, stopping further transcription

  3. the attenuator would form, permitting transcription to continue

  4. the attenuator would not form, permitting transcription to continue

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TLS Online TPP Program

#Question id: 29508

#Unit 6. System Physiology – Plant

Conifer resin ducts produces different terpenes and resin acids which are released immediately upon damage by herbivores these are


Match them correctly with their example
TLS Online TPP Program

#Question id: 29509

#Unit 6. System Physiology – Plant

Which of the following is responsible to change the pheromonal behaviour of aphids
TLS Online TPP Program

#Question id: 29510

#Unit 6. System Physiology – Plant

Which one of the following secondary metabolites is produced by  Members of the Brassicales and characterised by a sulphur-containing organic compounds derived from glucose and an amino acid?
TLS Online TPP Program

#Question id: 29511

#Unit 6. System Physiology – Plant

When The hydrolyzing enzyme, myrosinase (a thioglucosidase), react with Glucosinolates it produces
TLS Online TPP Program

#Question id: 29512

#Unit 6. System Physiology – Plant

Which of the following is a major glucosinolate of black mustard seeds and horseradish roots
TLS Online TPP Program

#Question id: 29513

#Unit 6. System Physiology – Plant

Members of the Poaceae family produced defensive secondary metabolites, which are derived from tryptophan, known as