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Osmosis Questions and Answers (Q&A)

With my knowledge, I can easily posit the difference between these four scientific phenomenons. Osmosis, beyond a reasonable doubt, is the movement of water from a region of hypotonic solution (lower concentration) to a region of hypotonic solution (higher concentration). Diffusion is the movement of molecular particles or ion from a region of higher concentration to a region of lower concentration; It may occur or otherwise through a permeable membrane.

Active transports, on the one hand, are protein molecules function as molecular pumps to the cell to accumulate ions against a concentration gradient. On the other hand, passive transport or facilitated transport allows ions or molecules to cross to the semi-permeable membrane because of the Permeates present in the membrane, which eventually ensures effective transport. Just like the simple diffusion, passive transport does not need metabolic energy, but instead, they simply occur across the concentration gradient.

2 Answers

The correct answer to this question is C. The starch in the bag turned purple. This experiment is performed to help one understand the process of diffusion, as well as Semi-permeable membrane and Concentration gradient. It is the process of molecules and atoms moving from an area with high concentration to low concentration.

Diffusion occurs in physics. To perform this experiment, one would need a paper clip, dialyzes tubing, beakers, scissors, starch, and iodine. The starch turns purple due to the diffusion of the iodine that occurred when it was in the tube. The iodine was at a high concentration.

1 Answer

T. Lopez

Let's see how far my knowledge stretches

It can be confusing to keep track of the different processes that items may undergo, especially when you are not too knowledgeable about the various scientific methods. Two of the ways that people may interchange is osmosis and facilitated diffusion. Osmosis usually involves the movement of water molecules through semi-permeable membranes. Osmosis would need water molecules so that the process can take place successfully while facilitated diffusion will allow the process to take place without the need to use water.


Osmosis is also an example of facilitated diffusion. It is just one of the methods that fall under this. Facilitated diffusion can be very vague. This can be the process of making sure that different molecules or ions can be transported properly.

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Hypertonic is when the outside solution is higher than the internal solution.

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