The oxygen produced during photosynthesis comes from what molecule

Where does the oxygen released by plants during photosynthesis comes from?

the oxygen produced during photosynthesis comes from what molecule

The oxygen during photosynthesis comes from split water molecules. oxygen gathered after all these are released into the atmosphere during respiration.

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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 stagesthe 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. Oxygen atoms are created during the light process of photosynthesis, and two oxygen atoms then combine to form oxygen gas.

During photosynthesis , light will hit pigment cells in photosystem II. The cells absorb this energy which is transferred from cell to cell until the P pair of chlorophyll molecules absorb it. An electron in this pair of molecules then becomes excited because of this extra energy, leaves the molecule and is transferred to the primary electron acceptor. The movement of this electron leaves something like a 'hole' in the molecule that needs to be filled. While all this is going on, there's an enzyme that's splitting water molecules to give electrons, hydrogen and oxygen. This diagram sums up everything.

The light reaction of photosynthesis uses energy from sunlight to split water molecules. The product of this reaction is hydrogen ions and oxygen gas. The hydrogen ions will be used by later steps of photosynthesis towards the end goal of making carbohydrates. Here is a look at aquatic plants carrying out the light reaction, the video also gives a brief summary of photosynthesis. The oxygen produced in photosynthesis comes from what molecule? Apr 11, Explanation: The light reaction of photosynthesis uses energy from sunlight to split water molecules.

This page has been archived and is no longer updated. Cells get nutrients from their environment, but where do those nutrients come from? Virtually all organic material on Earth has been produced by cells that convert energy from the Sun into energy-containing macromolecules. This process, called photosynthesis, is essential to the global carbon cycle and organisms that conduct photosynthesis represent the lowest level in most food chains Figure 1. Consequently, they provide an abundance of energy for other organisms.

Photosynthesis is the process by which plants, some bacteria and some protistans use the energy from sunlight to produce glucose from carbon dioxide and water. This glucose can be converted into pyruvate which releases adenosine triphosphate ATP by cellular respiration. Oxygen is also formed. The conversion of usable sunlight energy into chemical energy is associated with the action of the green pigment chlorophyll. Chlorophyll is a complex molecule. Several modifications of chlorophyll occur among plants and other photosynthetic organisms. All photosynthetic organisms have chlorophyll a.

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Quiz: Photosynthesis (AP Biology)

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5 COMMENTS

  1. Corette C. says:

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  2. Genciana V. says:







  3. Marthe P. says:

    The oxygen during photosynthesis comes from split water molecules.

  4. Dana W. says:

    The oxygen produced in photosynthesis comes from what molecule? of the following is the source of the carbon in sugar produced during photosynthesis?.

  5. Orfilia A. says:







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