Noncovalent Iiteractions in Biomolecules Which biomoleculets) is/are likely to f

Question

Noncovalent Iiteractions in Biomolecules Which biomoleculets) is/are likely to form ionic interactions with water? Explain your choice(s) A. Which biomolecule(s) is/are likely to form hydrogen bonds with water? Explain your choice(s) B. Identify the H donors and acceptors in those that can form hydrogen bonds. Which biomolecule(s) is/are likely to experience hydrophobic effects? Explain your choice(s). Which molecules would you expect to have the greatest contribution from van der Waals forces? Which of the molecules would you expect to be soluble in water? Why?

Explanation / Answer

The first four answers have been answered as per the Chegg guidelines.

1.NaCl is likely to form ionic interaction with water. The chemical composition of water makes it an excellent solvent, water has one side hydrogen(positive charge) and on the other side it has oxygen(negative charge) i.e why water is heavily attracted to NaCl, it disrupts the attractive forces between sodium and chloride and thus dissolves it.

2.a) Hydrogen bond is formed by highly electronegative elements i.e fluorine, oxygen, and nitrogen. Ethanol(CH3CH2OH)is likely to form the hydrogen bond with water. It is because ethanol is more soluble in water.  

b)The most electronegative atoms such as F, O, N are hydrogen bond donors whereas the neighboring electronegative ion with a lone pair of the electron in order to form the hydrogen bond is the hydrogen acceptor

3. The tendency of non-polar substances to aggregate together in an aqueous medium while excluding the water molecules is known as hydrophobic effect. Proteins experience the hydrophobic effect. The hydrophobic effect plays an important role in the folding and stability of proteins

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