Respiration 43 Photosynthesis 23 Biochemistry 11 Physiology 10 Plant physiology 10 Metabolism 9 Biology 8 Botany 5 Plant cell 5 respiration 5 Botanical chemistry 4 Enzymes 4 Fish physiology-- Physiology of fishes 4 Fishes 4 Plant Physiology 4 Plant respiration 4 RESPIRATION 4 Cytology 3 Dissertations, Academic (Ph.D) 3 Mineral Nutrition 3 Plant Anatomy 3 Plant Cell 3 Plant Growth 3 Plant Metabolism 3 Plant molecular biology 3 Respiration - Plants 3 Thesis (Ph.D)-Physiology 3 Zoology 3 photosynthesis 3 Academy of Climate Change Education and Research 2