Practice Questions

TLS Online TPP Program

#Question id: 10460

CCT overexpression mutant shows____

#Unit 6. System Physiology – Plant

CCT overexpression mutant lack the sequester binding site with the COP1/SPA1, therby no longer ability to prevent degradation of HY5
The CCT overexpression mutant shows different responses in the light as well as in the dark
CCT overexpression donot have the N-terminus, CCT region can’t adopt an active conformation and donot allows the binding with COP1/SPA1, thereby donot allows the degradation of HY5 protein
In the absence of the photosensory N terminus as in the truncation mutant , the CCT region can adopt an active conformation that sequesters COP1/ SPA1 in the absence of light, thereby promoting an increase in HY5 protein levels and transcription of key morphogenic genes

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TLS Online TPP Program

#Question id: 11989

#Unit 10. Ecological Principles

If mayflies lay eggs on roads instead of in water, this behavior could involve which of the following?

TLS Online TPP Program

#Question id: 11990

#Unit 10. Ecological Principles

Imagine that you are designing an experiment aimed at determining whether the initiation of migratory behavior is largely under genetic control. Of the following options, the best way to proceed is to

TLS Online TPP Program

#Question id: 11991

#Unit 10. Ecological Principles

The success with which plants extend their range northward following glacial retreat is best determined by

TLS Online TPP Program

#Question id: 11992

#Unit 10. Ecological Principles

Which of the following abiotic factors has the greatest influence on the metabolic rates of plants and animals?

TLS Online TPP Program

#Question id: 11993

#Unit 10. Ecological Principles

Which of the following statements about light in aquatic environments is correct?

TLS Online TPP Program

#Question id: 11994

#Unit 10. Ecological Principles

In mountainous areas of western North America, north-facing slopes would be expected to