For questions 1 and 2, circle the word or phrase that best completes the sentence. 1. During photosynthesis, cells capture the energy of sunlight using
(thylakoid / stroma / NADPH / chlorophyll), which is a type of (nucleotide /
carbohydrate / hormone / pigment). Photosynthesis also relies on a compound
called
(ATP synthase / NADP + / glucose / DNA), which is an electron (sink / source /
carrier / donor) that accepts and transfers high-energy electrons.