Osmosis for Pre-AP Biology

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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!

Comparing the salt concentration between salt water and the stalk of celery, water has more salt content. Through osmosis, water will flow out of the celery stalk cells into the environment (salt water)

The environment is hypertonic

The celery is hypotonic

Water will flow out of the cells of the celery stalk

The stalk becomes limp or rubbery since the cells lose their rigidity as a result of losing water into the environment through osmosis

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

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