4. Explain why the proteins begin to fold and then keeps folding until it has reached its final shape. Give a physical explanation. (Hint: the R group of each amino acid is different and some are positive, some are negative, some are polar, and some are neutral)

Explanation:

Elastic energy is the mechanical potential energy stored in the configuration of a material or physical system as it is subjected to elastic deformation by work performed upon it.

Sources are ; The coil spring ; An archer's stretched bow.

Electrical energy is defined as an electric charge that lets work be accomplished. An example of electrical energy is power from a plug outlet.

Sources are ; fossil fuels ; nuclear energy .

Hope it helps ;)