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Introduction and Summary
 
 
Terms
 
 
The Seed
 
 
Problems
 
 
Roots
 
 
Problems
 
 
Stem and Trunk
 
 
Problems
 
 
Leaf
 
 
Problems
 
 
Flowers
 
 
Problems
 
 
 
 
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Plant Structures

 
 

Problems

 
Problem 4.1: Describe the basic structure of a leaf. [Solution]
Problem 4.2: Describe the mechanism of the guard cells. How are they necessary to the stomata and to the leaf? [Solution]
Problem 4.3: What gases pass in and out of the stomata? [Solution]
Problem 4.4: What is transpiration? How does the plant make up for it? [Solution]
Problem 4.5: What is the purpose of the moist outer membranes of mesophyll cells? [Solution]
 
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