Practice Questions

TLS Online TPP Program

#Question id: 12200

Given some observation of the auxin signalling pathway, which one of the following are the incorrect prediction about signalling?

#Unit 6. System Physiology – Plant

auxin receptor gene family, TIR1/AFB1-5, encode F-box components of the SCF complex that functions in the degradation of AUXIN/INDOLE-3-ACETIC ACID (AUX/IAA)
Auxin-responsive genes typically have auxin response element (AuxRE) binding sites located in their promoter regions
Auxin response factors (ARFs) are transcription factors that bind to these AuxRE motifs only stimulate transcription
Auxin response factors (ARFs) are transcription factors that bind to these AuxRE motifs to stimulate or repress transcription

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TLS Online TPP Program

#Question id: 11247

#Unit 10. Ecological Principles

The theoretical maximum population size that can be supported indefinitely in a given habitat is the _____________.

TLS Online TPP Program

#Question id: 2017

#Unit 4. Cell Communication and Cell Signaling

Which of the following could prevent the appearance of the symptoms of an allergy attack?

TLS Online TPP Program

#Question id: 32351

#Unit 1. Molecules and their Interaction Relevant to Biology

Compound that have carboxylic acid/phosphoric acid mixed anhydride form

TLS Online TPP Program

#Question id: 6965

#Unit 5. Developmental Biology

what type of cleavage is used in frog embryos?

TLS Online TPP Program

#Question id: 3609

#Unit 8. Inheritance Biology

In humans, the dominance relationship between the A and B alleles of the ABO blood group gene is an example of