Question

Please explain start oxygen released.......end photosynthesis

Answer 1

Hey there !

Photosynthesis is the process by which plants and some bacteria and protists synthesize sugar molecules from carbon dioxide, water, and sunlight. Photosynthesis can be divided into two stages—the light dependent reaction and the light independent (or dark) reactions. During the light reactions, an electron is stripped from a water molecule freeing the oxygen and hydrogen atoms. The free oxygen atom combines with another free oxygen atom to produce oxygen gas which is then released.

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Answer 2

Plants use photosynthesis as a way of producing glucose. They take in light energy from the sun and water and carbon dioxide from the air. This is then used to produce oxygen and glucose. This often considered a reversible reaction, as the reverse of this reaction (glucose and oxygen to water, carbon dioxide and energy) is respiration

carbon dioxide + water + energy

→ glucose + Oxygen

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