what are the two stages of photosynthesis
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The two stages of photosynthesis:
▪Photosynthesis takes place intwo stages: light-dependent reactions and the Calvin cycle (light-independent reactions).
▪ Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH.
▪Photosynthesis takes place intwo stages: light-dependent reactions and the Calvin cycle (light-independent reactions).
▪ Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH.
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The two stages of photosynthesis are as follows :
A. Light reaction :
It occurs in the grana where photon are absorbed so as to excite electrons of chlorophyll to a higher energy level. These activated elctrons are harnessed to form ATP from ADP and reduce NADP to NADPH. Water is also splitted during this and oxygen is released.
B. Dark reaction :
Calvin cycle occurring in chlorophyll, here carbon-dioxide combine with a 5-carbon sugar called ribulose biphospahte. This unstable compounf breaks down into 3-carbon compound. This then form glucose.
A. Light reaction :
It occurs in the grana where photon are absorbed so as to excite electrons of chlorophyll to a higher energy level. These activated elctrons are harnessed to form ATP from ADP and reduce NADP to NADPH. Water is also splitted during this and oxygen is released.
B. Dark reaction :
Calvin cycle occurring in chlorophyll, here carbon-dioxide combine with a 5-carbon sugar called ribulose biphospahte. This unstable compounf breaks down into 3-carbon compound. This then form glucose.
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