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The 'light phase' or 'absorption phase' is always happening when the sun is shining on a plant. The cell walls of leaves automatically are open to sunlight, usually at all times.

Small changes may occur when it rains, or snows, or otherwise precipitates.

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What is the primary reaction in photosynthesis?

It is the first phase. The light dependent reaction.


What are the reactions of the first stage of the photosynthesis called?

This is called the light phase oh photosynthesis as opposed to the dark phase. During the light phase, photons excite enzymes on the thylakoid. Also can be known as Light-Dependent Reactions


How many reactions take place in photosynthesis?

2 the light dependent phase and the Calvin Cycle


Photosynthesis occurs in two steps which are?

Photosynthesis occurs in two main steps: light-dependent reactions and light-independent reactions (Calvin cycle). In the light-dependent reactions, light energy is used to split water and produce ATP and NADPH. In the light-independent reactions, ATP and NADPH are used to convert carbon dioxide into glucose.


What are the main energy storing products of each phase of photosynthesis?

The main energy-storing product of the light-dependent phase of photosynthesis is ATP (adenosine triphosphate) and NADPH. In the light-independent phase, the main energy-storing product is glucose.


What are the materials needed to be performed in the light dependent phase of photosynthesis so that product during the same phase will be performed?

oxygen, glucose, and carbon monoxide.


What is the light dependent phase?

The "light dependent phase" or "light-dependent reaction" is a phase in photosynthesis in which light is absorbed by the photosystems (PS I and PS II) in the thylakoid membranes and electrons flow through the electron transport chains.


What is the first phase of photosynthesis?

The first phase of photosynthesis is the light-dependent reactions, which occur in the thylakoid membranes of chloroplasts. In this phase, light energy is captured and used to split water molecules into oxygen, protons, and electrons.


What occurs in the second phase of photosynthesis?

In the second phase of photosynthesis, known as the light-independent reactions or the Calvin cycle, carbon dioxide is converted into glucose using the energy stored from the light-dependent reactions. This process takes place in the stroma of the chloroplasts and does not require light to occur.


What inputs are needed for and what products are made by the light dependent phase of photosynthesis?

For the light dependent phase of photosynthesis all you need is sunlight and water as the inputs. The output is pure hydrogen (H+, protons) and oxygen. The protons are in the form of a hydrogen gradient, which is converted to ATP by the ATPase enzyme. Water is important because it provides the electrons lost when the sunlight is converted to chemical energy. The products after water is 'split' are the protons previously mentioned and oxygen.


What is produced in the second phase of photosynthesis?

The second phase of photosynthesis is called the light-independent reactions, also known as the Calvin cycle. In this phase, the products of the light-dependent reactions, ATP and NADPH, are used to convert carbon dioxide into glucose. So, the main product of the second phase of photosynthesis is glucose.


Where does each phase of photosynthesis occur in?

The Chloroplast or Chlorophyl of the plant.