In photosynthesis, the electron that travels through the electron transport chain in the thylakoid membrane comes from . in cellular respiration, a molecule of supplies the electron that travels through the electron transport chain. 1. a. atp b. carbon dioxide c. water d. nadh 2. a. atp b. carbon dioxide c. water d. nadh there are two answers.

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d