ATP is produced from ADP when hydrogen ions flow through the ATP synthase in the thylakoid membrane. NADPH is formed when excited electrons are added to a molecule called NADP+
In stage 2, I produce two important molecules called ATP and NADPH. ATP is the main molecule that stores chemical energy until it is ready to be used.
ATP
H+
ATP
NADPH
Carbon dioxide
Finally, stage 3 occurs. This stage happens without light. This stage is known as the Calvin Cycle. It uses ATP and NADPH from stage 2 and results in ADP and NADP to be used in the light reactions (stage 1 and 2)
Carbon dioxide enters the Calvin cycle where energy is added and carbon molecules are rearranged. Two cycles of the Calvin cycle produces a molecule of glucose. Glucose is a large 6 carbon molecule that carries a lot of energy in its bonds. Glucose is also used by humans for energy.
Calvin Cycle
ADP
NADP
Glucose
How do humans use glucose?
Through a process called metabolism. This is a process that uses energy to break down or build molecules like glucose for energy. When you were eating your strawberry your body was breaking down the chemical bonds for energy.
Photosynthesis
Chloroplast
What are you working on?
I'm drawing a model of photosynthesis
Our plant taught me
How do you know what photosynthesis is?
Can I see your drawing?
WaterCarbon dioxideSunlightGlucoseOxygen
Cellular respiration
Mitochondria
GlucoseOxygenWaterCarbon dioxideATP
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