Becker's World of the Cell 9th Edition by Lewis Kleinsmith, Jeff Hardin, Gregory Paul Bertoni

Exercise 3

Energy Conversion. Most cellular activities involve converting energy from one form to another. For each of the following cases, give a biological example and explain the significance of the conversion.
(a)Chemical energy into mechanical energy
(b)Chemical energy into light energy
(c)Solar (light)energy into chemical energy
(d)Chemical energy into electrical energy
(e)Chemical energy into the potential energy of a concentration gradient