4. Salt is one of the oldest methods of food preservation. Examples of this method include cured meat or fish covered with salt. Based on what you know about the movement of substances across the plasma membrane, name the processes/concepts at play and explain how salt can help kill (or at least prevent the growth of) microorganisms such as bacteria or eukaryotic microbes.

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A: Ribosomes consisting of RNA and associated proteins which function is to synthesize new proteins.

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A: A is the peripheral proteins.

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Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.