How can you say that egg membrane acts as a semipermeable membrane? Draw the flow chart for the stages involved to carry out the osmosis experiment with egg. And List down the activities where diffusion I observed in our daily life. Please reply fast!!
Answers
Answer:
In the case of the hypertonic solution, there were more solutes in the corn syrup than there were in the egg. So, water flowed out of the egg and into the corn syrup, and as a result the egg shriveled up.
In the case of the isotonic solution, there was roughly an equal amount of solutes in the corn syrup/water solution than there was in the egg, so there was no net movement in or out of the egg. It stayed the same size.
In the case of the hypotonic solution, there were more solutes in the egg than in the pure water. So, water flowed into the egg, and as a result, it grew in size.
Explanation:
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Answer:
We can say, The egg membrane acts as a semipermeable membrane and keeps all of the dissolved solutes separated but allows the water to pass through.
*FLOW CHART*
Place one egg in each glass. Pour in enough vinegar to cover each egg. Bubbles will start to form around the egg, and it’ll float up. To keep it submerged, put a butter knife in the glass to hold it down.
Put the three glasses in the refrigerator and allow to sit for 24 hours.
Gently holding the egg in the glass, pour out the old vinegar. Replace with fresh vinegar, and let sit in the refrigerator for another 24 hours. Repeat this process until the shells are fully dissolved and only the membrane remains. This should take about 2-3 days.
Gently remove the eggs using the slotted spoon and rinse with tap water in the sink. Rinse out the empty glasses as well.
Gently put the shell-less eggs aside for a moment on a plate.
Prepare three different sugar-water solutions as follows, labeling with sticky notes:
Glass 1: Label “hypertonic”. Pour in one cup of corn syrup.
Glass 2: Label “isotonic”. Add 1 ½ tablespoons corn syrup to the one cup measuring cup, and fill the remainder with distilled water. Pour into glass (make sure you get all the corn syrup out!) and stir to dissolve.
Glass 3: Label “hypotonic”. Pour in one cup of distilled water.Gently put one shell-less egg in each of the glasses, and let sit in the refrigerator for another 24 hours.
osmosis-graph
Remove the glasses from the refrigerator, and gently put the eggs on a plate.
[Cut short the sticky notes :D, write it in flow chart way I was just lazy to put the arrow marks and all