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What does chlorophyll do in photosynthesis in plants? - Yahoo! Answers India
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7 years ago Report Abuse by Don Member since: 19 December 2006 Total points: 1,196 (Level 3) Add Contact Block It absorbs the sunlight and help plant to spread food in leaves 7 years ago Report Abuse by VISU Member since: 05 December 2006 Total points: 1,907 (Level 3) Add Contact Block Chlorophyll is a green photosynthetic pigment found in most plants, algae, and cyanobacteria. When a leaf was tested using iodine, only the green areas were shown as positive for starch, meaning that photosynthesis will not occur without chlorophyll
What type of chemical reaction is photosynthesis? - Yahoo! Answers
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6 years ago Report Abuse Asker's Rating: Asker's Comment: thnx 1 stars - mark this as Interesting! Email Comment (0) Save Add to My Yahoo! Add to Del.icio.us RSS There are currently no comments for this question. In the first phase, light-dependent reactions or photosynthetic reactions (also called the Light reactions) capture the energy of light and use it to make high-energy molecules
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Different Color Light Affects Plants Differently The color that has the highest influence on photosynthesis is blue, which is why many plant growers use blue lights to grow indoor plants. When tests are done on photosynthesis rates it is crucial to create an experiment where natural light cannot touch the leaf that is being exposed to differing colors of light
Photosynthesis definition of Photosynthesis in the Free Online Encyclopedia.
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Desert plants in the Crassulaceae, Cactaceae, Euphorbiaceae, and 15 other families evolved, apparently independently of C4 plants, an almost identical strategy of assimilating CO2 by which the CO2 is taken in at night when the stomata open; water loss is low because of the reduced temperatures and correspondingly higher humidities. Some of the plants that lack chlorophyll, e.g., the Indian pipe, secure their nutrients from organic material, as do animals, and a few bacteria manufacture their own carbohydrates with hydrogen and energy obtained from inorganic compounds (e.g., hydrogen sulfide) in a process called chemosynthesis
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placental mammals One of three groups of mammals that carry their young in the mother's body for long periods during which the fetus is nourished by the placenta. During this time the atmosphere and oceans formed, life originated (or possibly "colonized" Earth), eukaryotes and simple animals evolved and by the end of the precambrian they began to accumulate hard preservable parts, the common occurrence of which marks the beginning of the Cambrian
How does increasing light intensity affect the rate of photosynthesis? - Yahoo! Answers India
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Member since: 24 November 2007 Total points: 394 (Level 2) Add Contact Block Best Answer - Chosen by Asker It affects it by the increase of light intensity it increases the rate of photosynthesis but after the light intensity reaches its certain level the plant reaches its maximum rate of photosynthesis and photosynthesis occurs in the chloroplast. Source(s): California Prentice Hall Biology (my biology book) 6 years ago Report Abuse 1 person rated this as good Asker's Rating: Asker's Comment: Thanks alot! 0 stars - mark this as Interesting! Email Comment (0) Save Add to My Yahoo! Add to Del.icio.us RSS There are currently no comments for this question
Photosynthetic Stages and Light-Absorbing Pigments - Molecular Cell Biology - NCBI Bookshelf
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The inner membrane, conversely, is the permeability barrier of the chloroplast; it contains transporters that regulate the movement of metabolites into and out of the organelle. The enzymes that incorporate CO2 into chemical intermediates and then convert it to starch are soluble constituents of the chloroplast stroma (see Figure 16-34)
What are light and dark reactions in photosynthesis
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The compound ADP (Adenosine Di-Phosphate) is already present in the cells of the leaf and combines with the phosphate group using light energy to form a compound called ATP. During light reactions two compounds are formed when solar energy is converted into chemical energy, these are: NADPH (Nicotinamide Adenine Di-nucleotide Phosphate)ATP (Adenosine Tri-Phosphate) NADP already exists in the cells of the leaf
The Light Reactions of Photosynthesis - Biochemistry - NCBI Bookshelf
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The energy of light captured by pigment molecules, called chlorophylls, in chloroplasts is used to generate high-energy electrons with great reducing potential
How does light affect the rate of photosynthesis Essay
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How does light intensity alters and affects the rate of photosynthesis and the amount of oxygen produced in the plant weed? I predict that as the intensity of light increases, so will the rate of photosynthesis and the amount of oxygen produced. The chemical equation for photosynthesis can be expressed as: (light) 6CO2 + 6H2O ( C6H12O6 + 6O2 (in the presence of chlorophyll) The fact that all plants need light in order to photosynthesize has been proven many times in experiments, and so it is possible to say that without light, the plant would die
The Light and Dark Reactions of Photosynthesis - Yahoo Voices - voices.yahoo.com
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In the light independent stage, the energy that is required for the light independent reactions is supplied by ATP and NADPH molecules that are produced in the light dependent reactions. Plants break down these sugar molecules during respiration to produce energy in the form of the molecule ATP, the rate of respiration is generally relative to that of respiration
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The capture of carbon dioxide by PEP is mediated by the enzyme PEP carboxylase, which has a stronger affinity for carbon dioxide than does RuBP carboxylase When carbon dioxide levels decline below the threshold for RuBP carboxylase, RuBP is catalyzed with oxygen instead of carbon dioxide. Many Prokaryotes have only one photosystem, Photosystem II (so numbered because, while it was most likely the first to evolve, it was the second one discovered)
Light-dependent reactions - Wikipedia, the free encyclopedia
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If a special pigment molecule in a photosynthetic reaction center absorbs a photon, an electron in this pigment attains the excited state and then is transferred to another molecule in the reaction center. In their high-energy states, the special pigment and the acceptor could undergo charge recombination; that is, the electron on the acceptor could move back to neutralize the positive charge on the special pair
Photosynthesis: The Light Reaction - BioWiki
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In the two Fe hydrogenases, the geometry of the coordinating ligands distorts the bond between the two iron centers, leading to irons with different oxidation numbers. Given that this process must by nature be an uphill thermodynamic battle, let us consider the major requirements that must be in place for this process to occur: A strong oxidizing agent must be formed which can take water and oxidize it to dioxygen
BC Online: 8D - Photosynthesis: The Light Reaction
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Given that this process must by nature be an uphill thermodynamic battle, let us consider the major requirements that must be in place for this process to occur: A strong oxidizing agent must be formed which can take water and oxidize it to dioxygen. The reducing agent used for most biosynthetic reactions in nature is NADPH, which differs from NADH only by the addition of a phosphate to the ribose ring
Photosynthesis - Wikipedia, the free encyclopedia
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Melvin Calvin and Andrew Benson, along with James Bassham, elucidated the path of carbon assimilation (the photosynthetic carbon reduction cycle) in plants. Z scheme The "Z scheme" In plants, light-dependent reactions occur in the thylakoid membranes of the chloroplasts and use light energy to synthesize ATP and NADPH
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What related function do they have in plants? they dissipate excessive light energy Which of the following statements best represents the relationships between the light reactions and the Calvin cycle? the light reactions provide ATP and NADPH to the calvin cycle, and the cycle returns ADP, Pi, and NADP+ to the light reactions Where do the enzymatic reactions of the Calvin cycle take place? stroma of the chloroplast What is the primary function of the Calvin cycle? synthesize simple sugars from carbon dioxide In the carbon fixation phase of the Calvin cycle, Rubisco attaches a molecule of carbon dioxide to a molecule containing five carbons. Where did the extra ATP molecules come from? cyclic electron flow Assume a thylakoid is somehow punctured so that the interior of the thylakoid is no longer separated from the stroma
Where do the light reactions of photosynthesis take place
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The stroma is the flui The light dependent reactions of photosynthesis take place in the membrane of the thylakoid discs in mitochondria? Yesss! -Lexy Tequila Does the light-dependent reactions of photosynthesis take place in the membranes of the thylakoid discs in mitochondria? Photosynthesis takes place in the chloroplast, which is also where the thylakoid discs are located. Answer History Related Answers: Where do the light reactions of photosynthesis take place? The light reactions of photosynthesis occur in the thylakoid membranes of chloroplasts.In the Thylak How does the light reaction of photosynthesis take place? In simple terms, photosynthesis is the conversion of carbon dioxide (CO2) to carbohydrate (CH2O)
1) What type of cell does the photosynthesis occurs? - Yahoo! Answers
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The other photosystem, PS I, also catalyzes light-induced charge separation in a fashion basically similar to PS II: light is harvested by an antenna, and light energy is transferred to a reaction center chlorophyll, where light-induced charge separation is initiated. Upon oxidation of the reaction center chlorophyll in PS II, an electron is pulled from a nearby amino acid (tyrosine) which is part of the surrounding protein, which in turn gets an electron from the water-splitting complex
What does chlorophyll do in photosynthesis in plants? - Yahoo! Answers India
7 years ago Report Abuse by Don Member since: 19 December 2006 Total points: 1,196 (Level 3) Add Contact Block It absorbs the sunlight and help plant to spread food in leaves 7 years ago Report Abuse by VISU Member since: 05 December 2006 Total points: 1,907 (Level 3) Add Contact Block Chlorophyll is a green photosynthetic pigment found in most plants, algae, and cyanobacteria. When a leaf was tested using iodine, only the green areas were shown as positive for starch, meaning that photosynthesis will not occur without chlorophyll
What type of chemical reaction is photosynthesis? - Yahoo! Answers
6 years ago Report Abuse Asker's Rating: Asker's Comment: thnx 1 stars - mark this as Interesting! Email Comment (0) Save Add to My Yahoo! Add to Del.icio.us RSS There are currently no comments for this question. In the first phase, light-dependent reactions or photosynthetic reactions (also called the Light reactions) capture the energy of light and use it to make high-energy molecules
Different Color Light Affects Plants Differently The color that has the highest influence on photosynthesis is blue, which is why many plant growers use blue lights to grow indoor plants. When tests are done on photosynthesis rates it is crucial to create an experiment where natural light cannot touch the leaf that is being exposed to differing colors of light
Photosynthesis definition of Photosynthesis in the Free Online Encyclopedia.
Desert plants in the Crassulaceae, Cactaceae, Euphorbiaceae, and 15 other families evolved, apparently independently of C4 plants, an almost identical strategy of assimilating CO2 by which the CO2 is taken in at night when the stomata open; water loss is low because of the reduced temperatures and correspondingly higher humidities. Some of the plants that lack chlorophyll, e.g., the Indian pipe, secure their nutrients from organic material, as do animals, and a few bacteria manufacture their own carbohydrates with hydrogen and energy obtained from inorganic compounds (e.g., hydrogen sulfide) in a process called chemosynthesis
placental mammals One of three groups of mammals that carry their young in the mother's body for long periods during which the fetus is nourished by the placenta. During this time the atmosphere and oceans formed, life originated (or possibly "colonized" Earth), eukaryotes and simple animals evolved and by the end of the precambrian they began to accumulate hard preservable parts, the common occurrence of which marks the beginning of the Cambrian
How does increasing light intensity affect the rate of photosynthesis? - Yahoo! Answers India
Member since: 24 November 2007 Total points: 394 (Level 2) Add Contact Block Best Answer - Chosen by Asker It affects it by the increase of light intensity it increases the rate of photosynthesis but after the light intensity reaches its certain level the plant reaches its maximum rate of photosynthesis and photosynthesis occurs in the chloroplast. Source(s): California Prentice Hall Biology (my biology book) 6 years ago Report Abuse 1 person rated this as good Asker's Rating: Asker's Comment: Thanks alot! 0 stars - mark this as Interesting! Email Comment (0) Save Add to My Yahoo! Add to Del.icio.us RSS There are currently no comments for this question
Photosynthetic Stages and Light-Absorbing Pigments - Molecular Cell Biology - NCBI Bookshelf
The inner membrane, conversely, is the permeability barrier of the chloroplast; it contains transporters that regulate the movement of metabolites into and out of the organelle. The enzymes that incorporate CO2 into chemical intermediates and then convert it to starch are soluble constituents of the chloroplast stroma (see Figure 16-34)
What are light and dark reactions in photosynthesis
The compound ADP (Adenosine Di-Phosphate) is already present in the cells of the leaf and combines with the phosphate group using light energy to form a compound called ATP. During light reactions two compounds are formed when solar energy is converted into chemical energy, these are: NADPH (Nicotinamide Adenine Di-nucleotide Phosphate)ATP (Adenosine Tri-Phosphate) NADP already exists in the cells of the leaf
The Light Reactions of Photosynthesis - Biochemistry - NCBI Bookshelf
The energy of light captured by pigment molecules, called chlorophylls, in chloroplasts is used to generate high-energy electrons with great reducing potential
How does light affect the rate of photosynthesis Essay
How does light intensity alters and affects the rate of photosynthesis and the amount of oxygen produced in the plant weed? I predict that as the intensity of light increases, so will the rate of photosynthesis and the amount of oxygen produced. The chemical equation for photosynthesis can be expressed as: (light) 6CO2 + 6H2O ( C6H12O6 + 6O2 (in the presence of chlorophyll) The fact that all plants need light in order to photosynthesize has been proven many times in experiments, and so it is possible to say that without light, the plant would die
The Light and Dark Reactions of Photosynthesis - Yahoo Voices - voices.yahoo.com
In the light independent stage, the energy that is required for the light independent reactions is supplied by ATP and NADPH molecules that are produced in the light dependent reactions. Plants break down these sugar molecules during respiration to produce energy in the form of the molecule ATP, the rate of respiration is generally relative to that of respiration
The capture of carbon dioxide by PEP is mediated by the enzyme PEP carboxylase, which has a stronger affinity for carbon dioxide than does RuBP carboxylase When carbon dioxide levels decline below the threshold for RuBP carboxylase, RuBP is catalyzed with oxygen instead of carbon dioxide. Many Prokaryotes have only one photosystem, Photosystem II (so numbered because, while it was most likely the first to evolve, it was the second one discovered)
Light-dependent reactions - Wikipedia, the free encyclopedia
If a special pigment molecule in a photosynthetic reaction center absorbs a photon, an electron in this pigment attains the excited state and then is transferred to another molecule in the reaction center. In their high-energy states, the special pigment and the acceptor could undergo charge recombination; that is, the electron on the acceptor could move back to neutralize the positive charge on the special pair
Photosynthesis: The Light Reaction - BioWiki
In the two Fe hydrogenases, the geometry of the coordinating ligands distorts the bond between the two iron centers, leading to irons with different oxidation numbers. Given that this process must by nature be an uphill thermodynamic battle, let us consider the major requirements that must be in place for this process to occur: A strong oxidizing agent must be formed which can take water and oxidize it to dioxygen
BC Online: 8D - Photosynthesis: The Light Reaction
Given that this process must by nature be an uphill thermodynamic battle, let us consider the major requirements that must be in place for this process to occur: A strong oxidizing agent must be formed which can take water and oxidize it to dioxygen. The reducing agent used for most biosynthetic reactions in nature is NADPH, which differs from NADH only by the addition of a phosphate to the ribose ring
Photosynthesis - Wikipedia, the free encyclopedia
Melvin Calvin and Andrew Benson, along with James Bassham, elucidated the path of carbon assimilation (the photosynthetic carbon reduction cycle) in plants. Z scheme The "Z scheme" In plants, light-dependent reactions occur in the thylakoid membranes of the chloroplasts and use light energy to synthesize ATP and NADPH
What related function do they have in plants? they dissipate excessive light energy Which of the following statements best represents the relationships between the light reactions and the Calvin cycle? the light reactions provide ATP and NADPH to the calvin cycle, and the cycle returns ADP, Pi, and NADP+ to the light reactions Where do the enzymatic reactions of the Calvin cycle take place? stroma of the chloroplast What is the primary function of the Calvin cycle? synthesize simple sugars from carbon dioxide In the carbon fixation phase of the Calvin cycle, Rubisco attaches a molecule of carbon dioxide to a molecule containing five carbons. Where did the extra ATP molecules come from? cyclic electron flow Assume a thylakoid is somehow punctured so that the interior of the thylakoid is no longer separated from the stroma
Where do the light reactions of photosynthesis take place
The stroma is the flui The light dependent reactions of photosynthesis take place in the membrane of the thylakoid discs in mitochondria? Yesss! -Lexy Tequila Does the light-dependent reactions of photosynthesis take place in the membranes of the thylakoid discs in mitochondria? Photosynthesis takes place in the chloroplast, which is also where the thylakoid discs are located. Answer History Related Answers: Where do the light reactions of photosynthesis take place? The light reactions of photosynthesis occur in the thylakoid membranes of chloroplasts.In the Thylak How does the light reaction of photosynthesis take place? In simple terms, photosynthesis is the conversion of carbon dioxide (CO2) to carbohydrate (CH2O)
1) What type of cell does the photosynthesis occurs? - Yahoo! Answers
The other photosystem, PS I, also catalyzes light-induced charge separation in a fashion basically similar to PS II: light is harvested by an antenna, and light energy is transferred to a reaction center chlorophyll, where light-induced charge separation is initiated. Upon oxidation of the reaction center chlorophyll in PS II, an electron is pulled from a nearby amino acid (tyrosine) which is part of the surrounding protein, which in turn gets an electron from the water-splitting complex
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