What is the role of a vacuole in a plant cell? b) What are cell walls made of in
ID: 93872 • Letter: W
Question
What is the role of a vacuole in a plant cell? b) What are cell walls made of in plants and what is their function? c. Why are chloroplasts green? a. What do lysosomes do? b. What is the purple structure in the center of the cell? What is its function? c. What is the structure with the red color curve? Do plants have this structure? Do bacteria? a. What are the small structures that protrude from the sides of the cell in this diagram (not flagella)? What is their function? b. What is the difference between pili (sing pilus) and flagella (sing flagellum)?Explanation / Answer
3a Plant cell vacuoles are membrane bound sacs and are meant for storage,waste disposal, protection and growth.
3b Plant cell walls are made up of cellulose,hemicellulose and pectin. These material provide rigidity to plant cells.
3d Chloroplasts are green because they have the green pigment chlorophyll in their thylakoid membranes. Chlorophyll is a pigment that absorbs red and blue light.
4a Lysosomes contain digestive enzymes and these are involved in waste removal.
4b The large bluish-purple circular structure is the nucleus. The nucleusstores DNA and it coordinates the plant cells’ activities. These activities include metabolism, growth, synthesizing protein, andreproduction or cell division
4c Need more information to answer (e.g the diagram)
5a Need more information to answer (e.g the diagram)
5b Flagella are long, whip like, helical appendages that protrude through the cell membrane. Pili are hallow, non-helical, filamentous appendages that protrude from the surface of cell.
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