Our growing understanding of how proteins fold allows researchers to make predictions about protein structure based on primary amino acid sequence data Consider the following amino acid sequence   Ile-Ala-His-Thr-Tyr-Gly-Pro-Phe-Glu-Ala-Ala-Met-Cys-Lys-Trp-Glu-Ala-Gln-Pro-Asp-Gly-Met-Glu-Cys-Ala-Phe-His-Arg Where might reverse turns occur? Where might Intrachain disulfide linkages be formed? What will be the secondary structure formed from this sequence? Assuming that this sequence is part of a larger globular protein, indicate the probable location of the following amino acid residues: Asp, Ile, Thr, Ala. Gln, Lys.( Hint: see Hydropathy index)

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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.