Biology 9 Chapter 7 Bioenergetics

We studied that cells are like “open systems” i.e. substances are entering and leaving the cell all the times. Inside cells, substances are broken down and new substances are formed. Energy drives all these processes in a cell. In living organisms, energy exists in two forms: kinetic energy is actively involved in doing work, and potential energy is stored for future use. Potential energy is stored in chemical bonds and is released as kinetic energy when these bonds break. Systemized knowledge from observation and experiments is? The experiments in science are made to determine the principles of? What Man have to become in order to live? In history man …………between edible and non edible? The scientific method in which biological problems can be solved is?