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The energy from the sun, raises an energy level in the chlorophyll molecule, causing electrons to leave the molecule and travel along the electron transport chain (ETC) in a series of oxidation and reductions. In doing so it releases energy converting ADP+Pi into ATP. Photolysis (splitting of water) occurs, and the electrons produced, replace those lost. This is the Light Dependant stage as it relies on light energy
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How are light reactants of photosynthesis important to the production of glucose?
The light reactants of photosynthesis, including light energy and water, are transformed into chemical energy in the form of ATP and NADPH. These molecules are essential for driving the Calvin cycle, the part of photosynthesis that produces glucose from carbon dioxide. Without the light reactants, the Calvin cycle cannot proceed and glucose production is limited.
Why do high oxygen levels inhibit photosynthesis?
High oxygen levels inhibit photosynthesis because oxygen competes with carbon dioxide for the active site on the enzyme RuBisCO, which is essential for the first step of photosynthesis. This competition reduces the efficiency of carbon dioxide fixation and ultimately hinders the overall process of photosynthesis.
How many oxygen atoms are needed to start photosynthesis reaction?
In the first step of photosynthesis, which is light-dependent, two water molecules are needed to start the reaction. Each water molecule contains two oxygen atoms, so a total of four oxygen atoms are needed.
What is the significance of the rate-limiting step of the Calvin Cycle in photosynthesis?
The rate-limiting step of the Calvin Cycle in photosynthesis is significant because it controls the overall speed at which the cycle can produce glucose, which is essential for plant growth and energy storage. If this step is slow, it can limit the plant's ability to efficiently convert carbon dioxide into sugars, impacting its overall productivity.
What occurs during the first stage of photosynthesis?
The first stage of photosynthesis is the light dependent reactions. During this stage, photons excite the electrons that move through Photosystem I, Photosystem II, and the Electron Transport Chain to produce ATP and NADPH. The ATP and NADPH produced in this first step are then used later during the Calvin Cycle.
What is the first step to photosynthesis?
Light Dependant Reactions
Do plants turn gren on the second stage of photosynthesis?
No not in the second step. First step is responsible
Where does the first step of photosynthesis take place?
In the leaves and The roots of the leaves
Site of first stage of photosynthesis?
First step is light reaction.It takes place on thylakoid membranes.
Is this the first step in photosynthesis sun light shines on a part or section of a green plant?
yes
What do you need in step 1 of photosynthesis but not?
There are two steps. It needs H2o IN THE FIRST STEP.
What is the Calvin cyle?
It is the second step of photosynthesis. It does not need light
What are the first step in photosyntheis?
During the first step of photosynthesis, the chloroplasts (which give plants their green color) capture the energy from the sunlight. In the second step, the cell uses the captured energy (ATP) to produce sugars in the form of glucose.
How are light reactants of photosynthesis important to the production of glucose?
The light reactants of photosynthesis, including light energy and water, are transformed into chemical energy in the form of ATP and NADPH. These molecules are essential for driving the Calvin cycle, the part of photosynthesis that produces glucose from carbon dioxide. Without the light reactants, the Calvin cycle cannot proceed and glucose production is limited.
What is the second step in photosynthesis?
Calvin cycle.
Where does each step of photosynthesis get its energy from?
Sun
What is Purpose of the third step of photosynthesis?
To get rid of waste
