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S. A. 7.3
Section Assessment for 7.3
| Question | Answer |
|---|---|
| How are highly folded membranes an advantage for the functions of cellular parts? | high surface are to fit in a small space more happens in a cell |
| Name an organelle with highly folded membranes | mitochondria, golgi, ER |
| If a cell makes a lot of proteins, which organelles might there be a lot of? | ribosomes |
| A cell's digestive enzumes are enclosed in a membrane-bound organelle. How can these molecules function in the cell? | break down food, waste, old cell parts |
| Compare and contrast the functions of a cell wall to the functions of a plasma membrane. | Cell wall: support, protect, not selectively permeab. only in plants memb: selectively permeab., double layer, holds in liquids BOTH hold everything in a cell |
| Compare the number of vacuoles in plant cells and animal cells. | Small and many (if any) in an animal One and large, if in a plant cell |
| Compare mitochondria and chloroplasts. | Mitochondria use glucose and chloroplasts use photosynthesis and chlorophyll combined with sunlight/light energy |
| Why are mitochondria and chloroplasts called energy transformers? | They change either glucose energy of sunlight energy into something the cell can use. |
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