energy is observed in two basic forms: potential and kinetic. which of the following correctly matches these forms with a source of energy?

a. potential energy with the covalent bonds of a sugar molecule
b. kinetic energy with the energy associated with a gradient of ions across a membrane
c. potential energy with the motion of individual molecules
d. potential energy with the heat released from a living organism
e. kinetic energy with the energy related to the height of a bird above the ground