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What happens when light hits a pigment?
When a chlorophyll molecule absorbs a photon of light, Photons strike the "antenna" of the chlorophyll molecule. This causes electrons in the photo-reaction centers that are attached to the antennas to become excited and move to a higher energy level. That's photoexcitation. The valence electrons in Magnesium (part of the chlorophyl molecule) jump to an excited state.
In a protein complex for the light reaction why is energy transferred from pigment molecule to pigment molecule to a special chlorophyll a molecule and eventually to the primary electron acceptor?
Energy is transferred from pigment molecule to pigment molecule in the protein complex through resonance energy transfer, leading to excitation of a special chlorophyll a molecule called P680. This excitation of P680 causes the release of an electron, which is then transferred to the primary electron acceptor, initiating the electron transport chain in photosynthesis.
Is chlorophyll part of the ATP molecule?
No, chlorophyll is not part of the ATP molecule. Chlorophyll is a pigment responsible for capturing light energy during photosynthesis in plants, while ATP (adenosine triphosphate) is a molecule that stores and transfers energy within cells for various cellular processes.
How does a flavin pigment molecule work with a pH indicator?
Flavin pigment molecule can interact with a pH indicator by changing its color based on the pH of the solution. The flavin pigment undergoes a chemical reaction with the pH indicator, leading to a change in its absorption spectrum or structure, resulting in a color change that can be used to determine the pH of the solution.
What is reduced by electrons in light reactions?
In light reactions of photosynthesis, electrons are reduced by the pigment molecule chlorophyll to produce NADPH and ATP. These reduced molecules carry energy and electrons to the Calvin cycle for the synthesis of carbohydrates.
When a pigment molecule absorbs a photon one of its electrons?
the outer electrons which are weakly attracte towards nucleus of a pigment can absorb a photon and gets exited to its unstable higher levels. It releases more energy when it gets stabilized to its normal state. This energy can be trapped by the electron of next pigment molecules. In this way the energy gets transfered from one to other.
What happens when light hits a pigment?
When a chlorophyll molecule absorbs a photon of light, Photons strike the "antenna" of the chlorophyll molecule. This causes electrons in the photo-reaction centers that are attached to the antennas to become excited and move to a higher energy level. That's photoexcitation. The valence electrons in Magnesium (part of the chlorophyl molecule) jump to an excited state.
In a protein complex for the light reaction why is energy transferred from pigment molecule to pigment molecule to a special chlorophyll a molecule and eventually to the primary electron acceptor?
Energy is transferred from pigment molecule to pigment molecule in the protein complex through resonance energy transfer, leading to excitation of a special chlorophyll a molecule called P680. This excitation of P680 causes the release of an electron, which is then transferred to the primary electron acceptor, initiating the electron transport chain in photosynthesis.
Is chlorophyll part of the ATP molecule?
No, chlorophyll is not part of the ATP molecule. Chlorophyll is a pigment responsible for capturing light energy during photosynthesis in plants, while ATP (adenosine triphosphate) is a molecule that stores and transfers energy within cells for various cellular processes.
How does a flavin pigment molecule work with a pH indicator?
Flavin pigment molecule can interact with a pH indicator by changing its color based on the pH of the solution. The flavin pigment undergoes a chemical reaction with the pH indicator, leading to a change in its absorption spectrum or structure, resulting in a color change that can be used to determine the pH of the solution.
What is reduced by electrons in light reactions?
In light reactions of photosynthesis, electrons are reduced by the pigment molecule chlorophyll to produce NADPH and ATP. These reduced molecules carry energy and electrons to the Calvin cycle for the synthesis of carbohydrates.
Does the carotenoids pigment help in the process of photosynthesis?
Yes, carotenoids pigments help in the process of photosynthesis, as accessory pigment molecules. They trap solar energy and transmit this trapped energy to the reaction centre molecule, that is, chlorophyll.
What pigment is released when a hemoglobin molecule is broken apart?
When a hemoglobin molecule is broken apart, the iron pigment is released. This is what is called the -"heme" part of the molecule.
What is the main pigment molecule in a green leaf?
Chlorophyll
What is an example of how light is absorbed?
An example of how light is absorbed is when a pigment molecule in a plant absorbs light energy during photosynthesis. The pigment absorbs specific wavelengths of light, which excites its electrons and allows the plant to convert the light energy into chemical energy for growth and survival.
What is the function of metal in respiratory pigment?
The metal component of a respiratory pigment is the part that actually binds to the oxygen molecule.
What event accompanies energy absorption by chlorophyll or other pigment molecules of the antenna complex?
The event that accompanies energy absorption by chlorophyll or other pigment molecules of the antenna complex is the excitation of electrons. When light energy is absorbed by the pigment molecules, their electrons get excited to a higher energy state. This excited state is essential for the subsequent transfer of energy to the reaction center of the photosystem for further processing.
