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ThinkQuest
Webcytology was created for ThinkQuest 1999.
Quizzes

Diffusion

[go to this section in the Guide]
Chapter Two: The Chemistry of Biology


Question 1
Diffusion is best desribed as
   1.  the twisting of an enzyme out of shape
2.  the movement of molecules from an area of high concentration to an area of low concentration
3.  any formation or breakage of bonds between atoms
4.  the process by which a cell engulfs a food particle
 

Question 2
What is a concentration gradient?
   1.  a synonym for diffusion
2.  a difference in concentration between two areas
3.  a high concentration in a particular area
4.  a low concentration in a particular area
 

Question 3
The diffusion of water is also called
   1.  hydrolysis
2.  exocytosis
3.  osmosis
4.  it does not have a special name
 

Question 4
Water will move from an area of
   1.  high osmotic potential to an area of low osmotic potential
2.  low osmotic potential to an area of high osmotic potential
3.  low concentration to an area of high concentration
4.  low water potential to an area of high water potential
 


 
 

ThinkQuest Team #27819 - 27819@for.net
Team: Andrew Kallem, Josh Tauberer
Coaches: Ms. Acerra, Mr. Kwitkin