Plant respiration is characterized by two pathways for electron transfer to O2, namely the cytochrome pathway (CP) that is linked to ATP production, and the alternative pathway (AP), where electrons from ubiquinol...
Chlamydomonas reinhardtii strains lacking phytoene synthase, the first enzyme of carotenoid biosynthesis, are white. They lack carotenoid pigments, have very low levels of chlorophyll, and can grow only heterotrophica...