Table of Contents
How does a paramecium respond to changing solute concentrations?
Question: How does a paramecium respond to changing solute concentrations? When the water solute concentration is reduced, the number of vacuole contractions will increase. But when the water solute concentrations rise, the number of vacuole contraction will decrease.
How does a paramecium deal with its hypotonic environment?
paramecia lives in fresh water (hypotonic to the cytosol) and its contractile vacuoles collect excess water that moves by osmosis into cytosol and then the vacuoles contract returning the water to the outside of the cell. How does the Paramecium fit in with cell transport?
Do paramecium live in a hypertonic or hypotonic environment?
A paramecium normally lives in a hypotonic environment in which water continually diffuses into the cell. To maintain homeostasis, the paramecium must pump out large amounts of water using its contractile vacuole. If the paramecium is then placed in a hypertonic environment, which of the following will occur?
How does a Paramecium survive in fresh water?
A paramecium living in salt water wouldn’t need contractile vacuoles, because the water pressures are different than in fresh water. In fresh water, the water pressure outside the cell is greater than inside, so the water will move into the cell due to osmosis – the contractile vacuoles are there to remove it.
Why is water solution outside the Paramecium hypotonic?
The water solution outside the paramecium is said to be hypotonic because it has a lower solute concentration than the solution inside the paramecium. Based on the internal and external solute concentrations, do you think the paramecium will swell up or shrink in this solution?
How does the contractile vacuole help the Paramecium?
Experiment: The contractile vacuole is a star-shaped structure that helps the paramecium to pump out excess water. Click Reset, and set the Water solute concentration to 1.00%. Click Play. When the contractile vacuole fills up, click Contract.
What happens when an amoeba is placed in salt water?
Salt water is hypertonic as compared to the solution inside the Amoeba cell. When Amoeba is placed in salt water, it will lose water by exosmosis and will shrink.