The most important regulatory control that restricts cyclins to the appropriate cell cycle stage is ubiquitin mediated, proteasome-dependent protein degradation. Which of the following statement is incorrect regarding to the degradation of protein?

#Question id: 5014

#Unit 11. Evolution and Behavior

 Following geological time period and major evolutionary event?

I. Devonian                            A. Gymnosperms dominant

II. Jurassic                               B. Amphibians diversify; first reptiles

III. Carboniferous                  C. Mammals appear

IV. Triassic                           D. Seed plants appear

#Question id: 5015

#Unit 11. Evolution and Behavior

 During which of the following largest mass extinction recorded in the history of life on Earth.

#Question id: 5017

#Unit 11. Evolution and Behavior

Arrange these events from earliest to most recent.

1.  emission of lava in what is now Siberia at time of Permian extinctions

2.  emission of lava that solidified at the same time as iron-bearing terrestrial rocks began to rust

3.  emission of lava that solidified at the same time as rusted iron precipitated from seawater

4.  emission of lava in what is now India at time of Cretaceous extinctions

#Question id: 5018

#Unit 11. Evolution and Behavior

Which event is nearest in time to the end of the period known as snowball Earth?

#Question id: 5019

#Unit 11. Evolution and Behavior

A major evolutionary episode that corresponds in time most closely with the formation of Pangaea was the

#Question id: 5020

#Unit 11. Evolution and Behavior

Dicynodonts survived the Permian extinction and, therefore, existed during both the