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- 1. Multiple Choice
what is osmoregulation?
Control of water and salt in the body
Control of blood pressure in the body
Control of blood glucose in the body
- 2. Multiple Choice
The cell below is in a _________ solution.HypotonicHypertonicIsotonic - 3. Multiple Choice
If a person's blood cells shrivel (shrink) their blood is likely ____ in comparison to the cell.
isotonic
hypotonic
hypertonic
- 4. Multiple Choice
During osmosis
water moves from high to low concentration
large or oddly shaped molecules move across a cell membrane
water moves when energy is used
proteins are built
- 5. Multiple Choice
Osmosis is the movement of _____ across a membrane.
food
energy
oxygen
water
- 6. Multiple Choice
why is osmoregulation so important?
water gives support and is an important transport medium
it hydrates the body
it regulates hormone secretion
- 7. Multiple Choice
Maintaining stable internal conditions despite changes in the external environment
Homeostasis
Metabolism
Protein Synthesis
Adaptation
- 8. Multiple Choice
Which area of the brain contains the receptors responsible for detecting changes in water potential
Hypothalamus
Medulla Oblongata
Amygdala
Hippocampus
- 9. Multiple ChoiceWhat type of solution is this cell in?IsotonicHypertonicHypotonicdiffused
- 10. Multiple ChoiceWhat type of solution is this cell in?IsotonicHypertonicHypotonicdiffused
- 11. Multiple Choice
Nemo and other ocean dwelling fish cannot survive in freshwater because......
freshwater is hypertonic to Nemo's cells and will result in water leaving them causing the cells to shrink
freshwater is hypotonic to Nemo's cells and will result in water leaving them causing the cells to shrink
freshwater is hypertonic to Nemo's cells and will result in water entering them causing the cells to swell and burst
freshwater is hypotonic to Nemo's cells and will result in water enter them causing the cells to swell and burst
- 12. Multiple Choice
Fill in the blank:
Osmosis is the movement of ________ across a cell membrane from high to low.
Carbon dioxide
Starch
Water
Oxygen
- 13. Multiple Choice
In an isotonic solution which way will the water flow
it will not flow at all
it will flow into the cell
it will flow both ways at equal rates
out of the cell
- 14. Multiple Choice
If the dots represent sugar what direction will the water flow?
Into the cell
Out of the cell
Both equally (equilibrium)
- 15. Multiple Choice
If the % represent % of sugar, what direction will water flow?
Into the cell
Out of the cell
Both equally (equilibrium)
- 16. Multiple Choice
Considering the four choices below, which two represent active transport?
- From high to low concentration
- From low to high concentration
- Using cellular energy
- Without using cellular energy
High to low; using cell energy
High to low; without using cell energy
Low to high; using cell energy
Low to high: without using cell energy
- Answer choicesTagsAnswer choicesTags