In photosynthesis the energy transfer involves the direct excitation of carotenoids by light to form the first excited singlet state, and the subsequent transfer of this excitation energy to chlorophyll to initiate the process of photosynthesis.
(the energy transfer; involves; the direct excitation of carotenoids; L:In photosynthesis)
the energy transfer
involves
the direct excitation of carotenoids L:In photosynthesis