Biology

Biology, 27.06.2019 03:00, junkmailemail42

Using your knowledge of hypertonic solutions and hypotonic solutions, why would it be unhealthy to drink salt water?

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Biology, 10.07.2019 11:30, Brook211

Solution concentration can be described in terms of tonicity. solutions are hypertonic, isotonic, or hypotonic to cells. a hypertonic is one that has a greater concentration of solute outside the cell and therefore a lower concentration. water will leave the cell, to the outside environment. this is one reason why organisms that live in fresh water cannot survive in salt water, the ocean. water will leave the organism’s cells and eventually the cells will undergo plasmolysis and the organisms will die. an isotonic solution is a balanced solution. that is, the solution concentration is balanced with the solution inside the cell. finally, when a cell is surrounded by a hypotonic solution, concentration of solute is greater inside the cell, concentration of water greater outside. water moves into the cell and the cell swells. if enough water enters, the cell can burst. on day 2, the egg was placed in 10% salt water. based on the student data, what type of solution would we label 10% salt water in this case? a) hypertonic b) hypotonic c) isotonic d) saline

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Biology, 25.10.2019 20:43, 20jessicar598

Abeaker contains two solutions of salt dissolved in water. the two solutions have different concentrations (measured by molarity, m) and are separated by a membrane that is permeable to both salt and water. side a has 0.2 m of salt and side b has 0.9 m of salt. which of the following statements is true? a) side a is hypotonic relative to side b. b) side a is isotonic relative to side b. c) side a is hypertonic relative to side b.

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Biology, 30.10.2019 19:31, oofoofoof1

Celery stalks that are immersed in fresh water for several hours become stiff and hard. similar stalks left in a salt solution become limp and soft. from this we can deduce that the cells of the celery stalks are a. hypotonic to both fresh water and the salt solution. b. hypertonic to both fresh water and the salt solution. c. hypertonic to fresh water but hypotonic to the salt solution. d. hypotonic to fresh water but hypertonic to the salt solution. e. isotonic with fresh water but hypotonic to the salt solution.

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Biology, 01.11.2019 05:31, Weser17

Awilted flower placed in a vase of water for several hours became stiff and stood erect. when it was placed in a salt solution, it wilted. from this information what can we say about the cells of the flower? a) the flower cells are hypertonic to fresh water but hypotonic to the salt solution. b) the flower cells are hypotonic to the fresh water and hypertonic to the salt solution.c) the flower cells are hypertonic to both the fresh water and the salt solution.d) the flower cells are isotonic to both the fresh and salt water solutions

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