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Ch 4 Section 4
| Question | Answer |
|---|---|
| cell wall | a rigid layer that lies outside the cells plasma membrane |
| central vacuole | is a large fluid filled organelle that stores not only water but also enzymes, metabolic wastes, and other materials |
| plastid | organelles that are surronded by a double membrane and contain their own DNA (several types: chloroplasts, chromoplasts and leucoplasts |
| chloroplast | use light energy to make carbs from carbon dioxide and water |
| thylakoid | each chloroplast contains a system of flattened membranous sacs |
| chlorophyll | the green pigment- absorbs light and captures light energy for the cell |