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- 1. Multiple ChoiceDefine Surface areaThe total area on the surface of an objectLength X Width6 X (length X width)Add up the sides and divide by 4
- 2. Multiple ChoiceHow can surface area (SA) be increased?Grow largerDivide into smaller pieces
- 3. Multiple ChoiceFor cells to stay alive they require what type of SA:V?Large SA, Large VSmall SA, Large VLarge SA, Small VSmall SA, Small V
- 4. Multiple ChoiceHigh Surface area to volume ratio allows cells to do what quickly?Move materials around inside the cellMove materials in and out of the cellCommunicate to other cellsDivide
- 5. Multiple Choice
This image shows how materials move into various sized cells in a given amount of time.... why does one square cell have more pink coloring than the others?The surface area was too larger to get throughThe volume of the other cells was too large for the dye to get throughThere was not enough surface area for the dye to get throughThe volume was too low for the dye to stay in the square - 6. Multiple ChoiceHint: think SA: VElephant because it has more volume to heat upElephant because it has larger ears to block the sunMouse because it has more surface area than volumemouse because it doesn't have as much heat
- 7. Multiple ChoiceMicrovilli are tiny projections that extend off the cell to increase the Surface Area. What purpose might that serve?Increased absorptionBetter communication among cellsMaintain homeostasisDecreased oxygen use
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