This unit in biology, we studied cellular respiration, which is the process by which cells make energy to live. The subject for my theme is structure determines function, which is the way things are built and how it determines what jobs they carry out. Several examples of structure determines function in cellular respiration are as follows: ATP and ADP and how they are used in the cell, enzymes, and aerobic and anaerobic cellular respiration.

The first example of structure determines function in cellular respiration deals with ATP and ADP. Both are molecules that are used in cellular respiration to make energy. ATP has three phosphate groups and during cellular respiration, it loses a phosphate making it an ADP molecule. ADP has less usable energy, and therefore the third phosphate group affects how much usable energy can be used from that molecule.

Another example of structure determines function in...