Chapter 3
Biology of Plants · 10 exercises
Problem 1
Distinguish between the cell theory and organismal theory.
3 step solution
Problem 2
What three features of plant cells distinguish them from animal cells?
3 step solution
Problem 5
Explain the phenomenon of autumn leaf coloration.
5 step solution
Problem 6
Distinguish between rough endoplasmic reticulum and smooth endoplasmic reticulum, both structurally and functionally.
3 step solution
Problem 7
Distinguish between microtubules and actin filaments. With what functions are each of these protein filaments associated?
4 step solution
Problem 8
Using the following terms, explain the process of cell wall growth and cellulose deposition in expanding cells: cellulose microfibrils, cellulose synthase complexes (rosettes), cortical microtubules, secretory vesicles, matrix substances, plasma membrane.
6 step solution
Problem 9
In what sense do plants differ from animals with respect to the location of most cell division activity?
3 step solution
Problem 10
In the typical cell cycle there are checkpoints. What are these checkpoints? What purpose do they serve?
4 step solution
Problem 11
Distinguish between a centromere and a kinetochore.
3 step solution
Problem 12
What is the preprophase band? What role does it play in plant cell division?
2 step solution