CELLS III

Question 1

What are the functions of Glyoxysomes?

Answer 1

Glyoxysomes: Only in plants—lipids are converted to
carbohydrates for growth. (modified peroxisome)

Question 2

What are the functions of vacuoles?

Answer 2

vacuoles:
* Store waste products and toxic compounds; some may deter herbivores.
* Provide structure for plant cells—water enters the vacuole by osmosis,
creating turgor pressure.

Question 3

What are the functions of the Cytoskeleton? What are the three main components?

Answer 3

Cytoskeleton
* Supports and maintains cell shape
* Holds organelles in position
* Moves organelles
* Involved in cytoplasmic streaming
* Interacts with extracellular structures to hold cell in place
* filamentous proteins
* Composed of three types of filaments

Question 4

What are the three main components of the cytoskeleton?

Answer 4

Microfilaments
* Intermediate filaments
* Microtubules