Which one or more of the following is prediction or assumption of the handicap principle for the evolution of sexual signals?

I- Females prefer costly signals

II- Costly signals are reliable indicators of signaller quality

III- Honest signals are costly to produce.

IV- Males displaying costly signals are not chosen by females

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#Question id: 4052

#Unit 3. Fundamental Processes

Which of the following would you choose to study the role of polymerase subunits in elongation? ___

a. epitope tagging 

b. immunoprecipitation 

c. in vitro transcription 

d. western blotting 

TLS Online TPP Program

#Question id: 28380

#Unit 5. Developmental Biology

The homologue of β-catenin in Drosophila is___

TLS Online TPP Program

#Question id: 10172

#Unit 6. System Physiology – Plant

leaves continuously adjust the orientation of their laminae such that they remain perpendicular to the sun’s ray and maximize light absorption by

TLS Online TPP Program

#Question id: 2778

#Unit 2. Cellular Organization

You are studying the regulation of a group of genes and have determined that the full activation of transcription of these genes occurs when histone acetyl transferases have made post-translational modifications specifically to which one of the following amino acids?

TLS Online TPP Program

#Question id: 11554

#Unit 7. System Physiology – Animal

What happens in a cell when adenylyl cyclase is activated?