what is photosynthesis
Answers
Answer:
the process by which green plants turn carbon dioxide and water into food using energy from sunlight
Answer:
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Explanation:
“Photosynthesis is the process by which photoautotrophs convert light energy into chemical energy which can later be used as a fuel for the activities of organisms.”
Process of Photosynthesis – Step by Step
The sunlight is absorbed by the chlorophyll in leaves of the plants. Carbon dioxide enters the plant through structures called the stomata, which are usually found on the underside of the leaves. Water is absorbed through the roots of the plant.
The light-dependent reaction occurs during the day. At this stage, water is spilt into its elements – oxygen and hydrogen ions. Then, the ions go through a series of electron carriers, eventually leading to the accumulation of hydrogen ions. As electrons get transferred from one electron carrier to another, energy is released. In this case, ATP & NADPH are released.
The Light Independent reaction uses the energy produced during light depended on reaction to transform carbon dioxide into glucose. The transformation from carbon dioxide to glucose requires a few reactions. The same molecule produces glucose during this process.
The lower parts of the leaves have rather “spaced out” cells. This structure permits carbon dioxide to permeate into other parts of the leaves, thereby facilitating the release of oxygen.