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As the osmotic pressure of water, water going down it's concentration gradient, built up in the cell there would be increasing pressure on the cell membrane and without the vacuole to relieve this pressure the cell would burst.

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13y ago

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Without a contractile vacuole, euglena would not be able to regulate its internal water content properly. This could lead to the cell bursting from excess water intake or becoming dehydrated due to insufficient water expulsion, ultimately leading to the euglena's death.

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9mo ago
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To get rid of excess water which enters the body through osmosis

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12y ago
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Yes. A euglena DOES have a contractile vacuole. It is used to maintain the organism's water balance by expelling excess water from the cytoplasm into the reservoir. :)

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14y ago
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Q: What would happen if euglena did not have a contractile vacuole?
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What would happen to the paramecium if it did not have a contractile vacuole?

The paramecium would have difficulty regulating its water balance, leading to swelling and potential bursting from an influx of water. Without a contractile vacuole, the paramecium would struggle to expel excess water and maintain osmotic balance, ultimately leading to cell damage or death.


If the contractile vacuole stops working the organism will die what happens in the cell?

If the contractile vacuole stops functioning, the cell will no longer be able to regulate its water content effectively. This can lead to an influx of water, causing the cell to swell and potentially burst. Additionally, the build-up of excess water can disrupt important cellular processes, ultimately leading to the death of the organism.


If a paramecium were to swim from a hypotonic environment to an isotonic one would the activity of its contractile vacuole increase or decrease?

If a paramecium were to swim from a hypotonic environment to an isotonic one, the activity of its contractile vacuole would decrease. In a hypotonic environment, the contractile vacuole works harder to expel excess water influx, but in an isotonic environment, there is no need for as much water regulation.


Why do protists need contractile vacuoles?

Protists need contractile vacuoles to regulate their internal water balance. These organelles help expel excess water that enters the cell through osmosis, preventing the cell from bursting. Contractile vacuoles help maintain the proper internal environment necessary for protists to function.


Why contractile vacuoles would be of little value to one cell organisms living in the ocean?

I do get it,for the organism living in the hypertonic salt water(ocean) the contractile vacuole is most not needed since the water in the organism are already on thier way out!