Biology Block_____ Name_______________________________
Dr. Wexler
Stomate Quiz
Date_____



  1. What is the object in the slide called?

  2. What is the plural for that object?

  3. What are the two cells guarding the opening called?

  4. List 3 important molecules that cross through the opening:

    A.

    B.

    C.

  5. Discuss in detail what osmosis has got to do with determining whether or not the opening is open or closed: