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Bio lab 3 Self As #1
| Question | Answer |
|---|---|
| Pure water is a solution that can be described as | Hypotonic |
| What would happen if a red blood cell was placed in a hypotonic solution? | It would burst |
| If the environment outside of an animal cell is very hypertonic, how would water move as a result of osmosis? | Water would move out of the cell |
| A plant cell placed in a hypotonic solution would become turgid. True or False? | True |
| An unfertilized egg can be considered the largest of cells. True or False? | True |
| Some scientists agree that an _______ egg could be considered one _____ cell, which CAN be seen by the naked eye | Unfertilized; Individual |
| In Lab 3, we observed ______, which is the movement of water across a selectively ______ membrane | Osmosis; Permeable |
| A selectively permeable membrane allows substances like_______, _____ and carbon dioxide INTO AND OUT of the cell | Water; Oxygen |
| Water, Oxygen and Carbon Dioxide can EASILY cross the selectively permeable membrane, but ______ solutes like ions, ____ and starches CANNOT cross the membrane easily | Larger; Sugar |
| Water automatically moves across the membrane _____ a solution with a _____ concentration of solutes | Into; Higher |
| There are many dissolved ______ inside the egg | Solutes |
| In Lab 3, the solution outside the egg membrane was either Hypotonic, ______ or ______ | Hypertonic; Isotonic |
| A solution with a LOWER concentration of solutes (i.e. water) | Hypotonic |
| A solution with a HIGHER concentration of solutes (i.e. corn syrup) | Hypertonic |
| A solution with an EQUAL concentration of solutes | Isotonic |
| In lab 3, why did we put the egg in vinegar? | To dissolve the shell |
| The acid from the vinegar dissolved the egg shell into water, calcium and _______ | Carbon Dioxide |
| As the egg shell began to dissolve, ______ formed as the ______ was released | Bubbles; Carbon Dioxide |
| When the egg was put in the karo syrup, the _____ left the egg because it went to the ______ concentration syrup. | Water; Higher |
| The size of the egg in the Karo syrup was _______, squishy and showed mostly _____. | Smaller; Yolk |
| Karo Syrup is a thick, sticky liquid because it has a high concentration of ______ so it is considered ______ | Sugar; Hypertonic |
| In Lab 3, the higher concentration Karo syrup _____ the water out of the egg making the egg _____ and more condensed | Extracted; Smaller |
| In Lab 3, the egg in the water was _____ and ____ and the shape was an oval | Swollen; Firm |
Created by:
scarangelo
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