​A Concentration Gradient Ceases to Exist When ____

question 29

Multiple Choice

​A concentration gradient ceases to exist when ____.

• A) ​all molecules have moved from low concentration to high concentration
• B) ​the membrane pores close
• C) ​the temperature drops
• D) ​there is equilibrium between the two sides of a membrane
• E) ​bulk flow intervenes

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Definitions:

Continental Crust

The thick, buoyant part of the earth's crust that forms the continents and continental shelves, distinguished from the denser oceanic crust.

Continental Collision

A geological process where two continental plates collide, leading to the formation of mountains and other geological structures.

Subduction Zones

areas at convergent plate boundaries where one tectonic plate moves under another, leading to geological activity.

Plate Boundaries

Plate boundaries are the edges where two or more of Earth's tectonic plates meet, categorized into three types: divergent, convergent, and transform, each characterized by specific geological activities and processes.