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In the light-dependent reactions of photosynthesis, chlorophyll and other pigments in the thylakoid membranes of chloroplasts must be excited by light energy, typically from sunlight. This excitation leads to the transfer of electrons through a series of proteins in the electron transport chain, ultimately resulting in the production of ATP and NADPH. These energy carriers are then utilized in the subsequent light-independent reactions to synthesize glucose.
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What does light do when it strikes the chlorophyll molecules of photosystems?
When light strikes the chlorophyll molecules of photosystems, it excites electrons within the chlorophyll, raising them to a higher energy state. This energy is then used to initiate the process of photosynthesis, facilitating the conversion of light energy into chemical energy. The excited electrons are transferred through a series of proteins in the thylakoid membrane, ultimately leading to the production of ATP and NADPH, which are essential for the energy requirements of the plant.
What does the burning process need to work?
The burning process typically requires fuel (such as wood or gasoline), oxygen, and heat to initiate and sustain a combustion reaction. This reaction releases energy in the form of heat and light.
Is photosystem 2 light dependent?
Yes, photosystem 2 is a light-dependent process in photosynthesis. It absorbs photons to initiate the light-dependent reactions of photosynthesis, where it helps generate oxygen and produce ATP and NADPH.
What is the Process that occurs in chloroplasts is called what?
The process that occurs in chloroplasts is called photosynthesis. Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy stored in glucose molecules, using carbon dioxide and water. This process is essential for the survival of most living organisms on Earth.
Where doe the ATP come fom that is used during the light-independent reactions?
From light dependant reaction.
Is the process of converting energy from a light-excited electron into ATP.?
Cellular respiration an exergonic process that transfers energy from bonds in glucose to form ATP. Photophosphorylation the process of converting energy from a light-excited electron into the pyrophosphate bond of an ADP molecule.
Is the process of converting energy from a light excited electron into ATP?
Cellular respiration an exergonic process that transfers energy from bonds in glucose to form ATP. Photophosphorylation the process of converting energy from a light-excited electron into the pyrophosphate bond of an ADP molecule.
The process of converting energy from a light-excited electron into a pyrophosphate bond of an ADP molecule?
photosynthesis
The process of converting energy from a light-excited electron into the pyrophosphate bond of ADP molecule?
Phosphorylation
What are the steps when a rod is excited by photons of light?
When a rod is excited by photons of light, the photons are absorbed by the atoms in the rod, causing the electrons in the atoms to jump to higher energy levels. This results in the electrons becoming excited. As the excited electrons return to their lower energy states, they emit photons of light at specific wavelengths, a process known as fluorescence or luminescence.
Energy can be released from a pigment with an excited electron by what method?
Energy can be released from a pigment with an excited electron through the emission of light, a process known as fluorescence. When an electron returns to its ground state from an excited state, the energy difference is released as light energy.
What is the function of the light dependant?
Build sugar
How rod cells are excited?
Rod cells are excited by very low levels of light, in contrast to cone cells that are excited by higher levels of light.
What does light do when it strikes the chlorophyll molecules of photosystems?
When light strikes the chlorophyll molecules of photosystems, it excites electrons within the chlorophyll, raising them to a higher energy state. This energy is then used to initiate the process of photosynthesis, facilitating the conversion of light energy into chemical energy. The excited electrons are transferred through a series of proteins in the thylakoid membrane, ultimately leading to the production of ATP and NADPH, which are essential for the energy requirements of the plant.
What Is a role in photosystem 1?
In photosystem 1, the role of the reaction center chlorophyll is to absorb photons and initiate the electron transport chain. It passes excited electrons to an electron acceptor, which then moves them through a series of electron carriers to produce NADPH. This process is essential for the conversion of light energy into chemical energy during photosynthesis.
How are electrons become excited?
Electrons become excited when they absorb energy, such as through exposure to light or heat. This additional energy causes the electrons to move to a higher energy level, creating an excited state. The electrons will eventually release this energy by returning to their original, lower energy state, emitting light or heat in the process.
What is the first most immediate thing that happens when light strikes a chlorophyll molecule?
When light strikes a chlorophyll molecule, electrons in the chloroplast get excited.
