Chloroplasts contain flattened disks known as thylakoids that are stacked into grana. In the
thylakoids are proteins that
A. help capture oxygen from the atomosphere during the process of photosythesis.
B. help capture light from the Sun during the process of photosynthesis.
C. help capture light from the Sun during the process of cellular respiration.
D. help capture oxygen from the atmosphere during the process of cellular respiration.