Practice Questions

TLS Online TPP Program

#Question id: 4976

Which of these is the most likely explanation for the existence of dicynodont fossils on modern-day Antarctica?

#Unit 11. Evolution and Behavior

They arrived there aboard ʺraftsʺ of vegetation, and quickly adapted to the bitterly cold climate.
Earthʹs polar regions were once so warm (especially immediately after the ʺsnowball Earth periodʺ) that reptiles and mammal-like reptiles flourished there.
The landmass that is now the Antarctic continent was formerly located at a more-northerly position, and was also united to other landmasses.
Dicynodonts originated on the island continent of Antarctica and went extinct as the continent migrated to its current position at the South Pole.

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TLS Online TPP Program

#Question id: 1064

#Unit 4. Cell Communication and Cell Signaling

An infection in which the virus is continually present in the body is referred to as

TLS Online TPP Program

#Question id: 17196

#Unit 7. System Physiology – Animal

What happens when the stressor remains during the GAS?

TLS Online TPP Program

#Question id: 4307

#Unit 3. Fundamental Processes

When taken up by a cell, which of the following molecules binds to a repressor so that the repressor no longer binds to the operator?

TLS Online TPP Program

#Question id: 19478

#Unit 12. Applied Biology

Cyt protein is a parasporal inclusion (crystal) protein from B. thuringiensis that exhibits

TLS Online TPP Program

#Question id: 5301

#Unit 11. Evolution and Behavior

Which of the following processes is an early step in the whole-genome shotgun approach to sequencing?