Answer
b.
Work Step by Step
Option a. is incorrect. Synthesis is the process of bringing two things together.
Option c. is incorrect. ATP synthase is the enzyme that catalyzes the synthesis of ATP.
Option d. is incorrect. Photosynthesis is the process by which organisms such as plants combine water and carbon dioxide to form glucose and oxygen.
Option b. is correct. Cellular respiration is the process by which cells break down glucose in the presence of oxygen to obtain energy.
