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How Salty is a Potato- A lab report

Fox discovery of differing perception of phenylthiocarbamide (PTC) within individuals
Taste perception became subject of study for the past 80 years
Receptor for sensing PTC is a seven-transmembrane G protein-coupled receptor (GPCR)
2 conformations: taster, nontaster
Predominant haplotypes: PAV (taster), AVI (nontaster)
To taste, or not to taste?
The measurement* of PTC bitterness will be affected by the flavors test subjects are exposed to prior to tasting the PTC.

My hypothesis was that the potato core will increase in size when it is hypertonic to the salt ..

Because not
every potato is the same and has the same properties, this might have
affected my results by making less of a fair test and a larger margin
of error.

Hypothesis for osmosis potato experiment » Business …

Students form a hypothesis.



· I was unaware of how long the samples would take to cut and then
start the experiment, during the main experiment, the cores were left
standing for around 5 to 10 minutes, this may have affected the
results as water would have evaporated from the potato, reducing its
size after the initial measurement.

We hope to achieve this by doing four experiments using distilled water in one test tube and different concentrations of salt water in the other test tubes.

Hypothesis: Max is an albino vulture? - Lord Forgive Me …

In this piece of coursework I will answer the question, ‘How does the concentration of salt solution affect osmosis in potatoes?’.

Let the potatoes sit in the dishes undisturbed.
After one day, the potato that was placed in the salty water became dry, we touched it and we noticed a great difference compared to the one that was in plain water.


Our hypothesis was correct.

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