1. if no oxygen is present what process occurs after glycolysis? (a) krebs cycle (b) photosynthesis (c) electron transport chain (d) fermentation 2. which statement best describes how the processes of photosynthesis and cellular respiration are related? (a) both equations have the same types of atoms in their molecules. (b) the inputs for photosynthesis and the outputs for cellular respiration are the same and the inputs for cellular respiration are the same as the outputs for photosynthesis. (c) they are not related to each other at all. (d) the inputs for photosynthesis and cellular respiration are the same and the outputs for photosynthesis and cellular respiration are the same.