What will happen to a cell that is placed in a hypotonic saline solution? 1) Salt will enter the cell causing it to swell.

2)Water will enter the cell causing it to swell

3)Salt will exit the cell causing it to shrink.

4) Water will exit the cell causing it to shrink.

You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.

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Currents are caused by temperature and density differences