Question

schology quiz - photosynthesis and cellular respiration. where does the electron transport chain take place? mitochondrial matrix cytoplasm thylakoid inner membrane

Explanation:

In photosynthesis, the electron - transport chain occurs in the thylakoid membrane of chloroplasts. In cellular respiration, the electron - transport chain occurs in the inner mitochondrial membrane. But considering the context of the question which seems to focus on photosynthesis more (as it's part of the quiz title), the electron - transport chain in photosynthesis takes place in the thylakoid.

Answer:

thylakoid