Biology

Biology, 24.08.2019 19:00, jayleengrant

When celery is placed in a glass of pure water the solution inside its cells is compared to the water. a)selectively permeable b)isotonic c) hypertonic d)hypotonic

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Biology, 01.07.2019 14:30, xxkeyxx51

How do cells maintain water balance through osmosis? if a salt water fish is placed in a fresh water aquarium, water will leave the fish's cells. in the experiment, the only isotonic solution was the 10% salt water solution. the egg swelled in distilled water because it is hypotonic to the egg's interior. the concentration of solute is greater inside the egg than it is in the kayro syrup. the egg swells when placed in a hypertonic solution.

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Biology, 06.07.2019 18:30, brittneyhiebert5583

Wes places red blood cells in a petri dish with pure water and observes them under a microscope. he drew a model to illustrate his observations. swollen red blood cells. one blood cell has burst, releasing its contents. what is the most likely explanation for wes’s observations? a. the red blood cells were placed into an isotonic solution. water moved into and out of the cells to maintain homeostasis. b. the red blood cells were placed into an isotonic solution. water moved into the cells until the cells burst. c. the red blood cells were placed in a hypertonic solution. water moved from the inside of the cells to the outside of the cells to maintain homeostasis. d. the red blood cells were placed in a hypotonic solution. water moved from the outside of the cells to the inside of the cells until the cells burst.

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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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Chemistry, 23.09.2019 15:30, holderpatriciaoy8h7j

If human white blood cells were extracted from your circulatory system, and then placed into an isotonic solution, which of the following is most likely to occur? group of answer choices there will be no change in the cells because the isotonic environment is in equilibrium with the cells. because there is more water outside the cell than inside the cell, an equal amount of water will enter the cell and leave the cell. water will rush into the cells and the cells will swell and eventually burst. because a hypertonic environment is highly acidic, these cells will become acidic as well. water will diffuse out of the cells, and they will decrease in cell volume.

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