TLS Online TPP Program

#Question id: 414


The hydrolysis of phosphoenolpyruvate proceeds with a DG'° of about –62 kJ/mol. The greatest contributing factors to this reaction are the destabilization of the reactants by electostatic repulsion and stabilization of the product pyruvate by:

#1. Molecules and their Interaction Relevant to Biology
  1. electrostatic attraction.

  2. ionization.

  3. polarization.

  4. tautomerization.

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TLS Online TPP Program

#Question id: 10527

#6. System Physiology – Plant

Based on their feeding behaviors, three major types of insect herbivores can be distinguished, which evades the constitutive defense;

A) Phloem feeders                                                                    i) caterpillars, grasshoppers, and beetles

B) Cell-content feeders                                                            ii) aphids and whiteflies

C) Chewing insects                                                                    iii) mites and thrips

Correctly match the feeding behaviour with its insects;

TLS Online TPP Program

#Question id: 10528

#6. System Physiology – Plant

The insect ingests plant tissue containing the fatty acids, an enzyme in the gut conjugates the plant-derived fatty acid to an insect-derived amino acid typically;

TLS Online TPP Program

#Question id: 10529

#6. System Physiology – Plant

Insects produces an elicitors molecules that is caeliferins at the wound site in Arabidopsis plant, which induces

TLS Online TPP Program

#Question id: 10538

#6. System Physiology – Plant

Injury to the leaf caused by herbivory activates which types of ion channels?

TLS Online TPP Program

#Question id: 10539

#6. System Physiology – Plant

All plants releases green-leaf volatiles in response to mechanical damage, this volatile is a mixture of

TLS Online TPP Program

#Question id: 10541

#6. System Physiology – Plant

Green-leaf volatiles act as potent signals,  which of the following option is incorrect about this volatile compound