![](http://www.alamy.com/thumbs/6/4D187635-0673-42E3-B0C6-0B8C87DF8565/2AD0PD9.jpg)
Photosynthesis metabolism. Illustration of the reactions that take place in the thylakoid stacks (centre right) in a plant's chloroplast during photos
Photosynthesis metabolism. Illustration of the reactions that take place in the thylakoid stacks (centre right) in a plant's chloroplast during photosynthesis. Light energy is used to oxidise water (H2O) and produce oxygen (O2). The energy from this is cycled through the ATP/ADP (adenosine tri/diphosphate) and NAD (nicotinamide adenine dinucleotide) molecules (centre). This drives the Calvin-Benson cycle (left) that fixes carbon from carbon dioxide (CO2), producing starch and carbohydrates (CH2O). For this artwork without labels, see image C023/8810.
Size: 4876px × 3656px
Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
Model Released: No
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