Osmosis for Pre-AP Biology

Biology
Tutor: None Selected Time limit: 1 Day

A stalk of celery is placed in salt water, what happens?

I think the environment would be hypertonic, but is that correct? 

Then, is the actual celery stalk hypertonic, hypotonic, or isotonic?

Will the water flow in or out of the cell?

Then, when the celery stalk is placed in the salt water it becomes limp and rubbery? But why? 

Oct 5th, 2015

Thank you for the opportunity to help you with your question!

When the stalk of celery is placed in salty water, water flows out of the stalk into the environment (salty water). The stalk's cells shrink.

Yes, the environment is hypertonic

The actual celery stalk is hypotonic

Water flows out of the cell into the salty water

The stalk becomes limp or rubbery because the cells lose alot of water into the environent hence the cells lose their rigidity. 

Please let me know if you need any clarification. I'm always happy to answer your questions.
Oct 5th, 2015

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