Chapter 4-Unique features of Plant Cell

Question 1

Central vacuole

Answer 1

• stores large amounts of water, enzymes, metabolic wastes and other materials
• causes the plant shape

Question 2

Plastids

Answer 2

-organelles like the mitochondria that have their own DNA

Question 3

Chloroplasts

Answer 3

• use light energy to make carbohydrates from carbon dioxide and water
• chloroplast contains a system of flattened membranous sacs call thylakoids

Question 4

Thylakoids

Answer 4

• A system of flatted membranous sacs

- contains the green pigment chlorophyll

Question 5

Chlorophyll

Answer 5

-the main molecule that absorbs light and captures light energy for the cell

Question 6

Cell wall

Answer 6

• lies outside the cells plasma membrane
• contains a carbohydrate called cellulose
• allows water and ions to enter and exit