Side chains (R Groups) of amino acids have different chemical properties; they c

Question

Side chains (R Groups) of amino acids have different chemical properties; they can be nonpolar, polar, or electrically charged (these are also polar). Each type of side chain associates with other side chains (or water) based on these chemical properties. 7. a. Nonpolar side chains are most likely to interact with side chains that are: (A) nonpolar (B) polar (C) charged, same charge (D) charged, opposite charge In this example, what kind of bond or interaction might form? Polar side chains are most likely to interact with side chains that are: b. (A) nonpolar (B) polar (C) charged, same charge (D) charged, opposite charge In this example, what kind of bond or interaction might form? Charged side chains are most likely to interact with side chains that are: c. (A) nonpolar (B) polar (C) charged, same charge (D) charged, opposite charge In this example, what kind of bond or interaction might form?

Explanation / Answer

(a) -Amino acid with non polar side chains are hydrophobic (repel water) and they interact with Non-Polar side chain so option (A) is correct and it will have Hydrophobic interaction.

(b) - Amino acid with polar side chain are hydrophilic (water loving) and will have interaction with polar side chains so,option (B) is correct and they will have Hydrogen bonding

(c) -Amino acid with charged side chain will have interaction with side chain having charged and opposite charge and Ionic interaction will form.

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