What reactions occur in the thylakoid membrane?
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Thylakoid membrane is located inside the chloroplasts. There occurs energy releasing reactions, photo respiration, and light dependent reactions. Sugar producing reactions and carbon fixation reactions occur during the Calvin cycle in the stroma during light independent reactions.\nI know all of this because we just had a test on this in AP biology. ha ha\nHope this helps/ is correct!
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intermembrane space??\nhttp://en.wikipedia.org/wiki/Chloroplast_membrane
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D is the correct answer, Light enables photosynthesis so a and c are wrong, and no reaction can increase exponentially as in B
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Photosynthesis goes on in the chloroplasts\nphotosynthesis- make their own food by converting light energy into chemical energy
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the molecules the cell incorporates must be chemically modified to obtain Energy from them. In the first place a reaction occurs in the cytoplasm and then (for those organisms that perform respiration) inside the mitochondria some other reactions occur. The last ones are called respiration.
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photophosphorylation, the light reactions, where the sunlight is exciting all the electrons. it's literally the electron transport chain plus some other stuff. electrons travel down a chain of proteins, releasing energy and creating ATP from ADP. however, in photosynthesis the electrons can go through it multiple times b/c they may be renergized by sunlight at the end. the electrons which aren't reenergized go on to the Calvin-Benson cycle. in respiration, at the end of the ETC electrons are used to form water.
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Photosynthesis consist of two major parts, the light and the dark reactions. The light reactions can be further divided into cyclic and noncylic flow. In noncylic both NADPH and ATP are produced whereas in cyclic ATP is produced in high quanties. The dark reaction require ATP to produce organic compounds from CO2 and water.
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LIght rections- \n1) H2o ---> H2 + O2 in presence of light -> it is gettin' decomposed\n2) Photosynthesis ---> light favours the reaction btween oxygen water et al , n produces food. -> food is produced\n \nHence , one of these is catastrophic , n the oder , Anatrophic\nIf this is what you had asked...
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Process by which green plants and certain other organisms transform light into chemical energy. In green plants, light energy is captured by chlorophyll in the chloroplasts of the leaves and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds (simple and complex sugars) that are the basis of both plant and animal life. Photosynthesis consists of a number of photochemical and enzymatic reactions. It occurs in two stages. During the light-dependent stage (light reaction), chlorophyll absorbs light energy, which excites some electrons in the pigment molecules to higher energy levels; these leave the chlorophyll and pass along a series of molecules, generating formation of NADPH (an enzyme) and high-energy ATP molecules. Oxygen, released as a by-product, passes into the atmosphere through pores in the leaves. NADPH and ATP drive the second stage, the dark reaction (or Calvin cycle, discovered by Melvin Calvin), which does not require light. During this stage glucose is generated using atmospheric carbon dioxide. Photosynthesis is crucial for maintaining life on Earth; if it ceased, there would soon be little food or other organic matter on the planet, and most types of organisms would disappear.\n\n\n\n    6 CO2 + 12 H2O + light → C6H12O6 + 6 O2 + 6 H2O\n\n    Carbon Dioxide + Water + Light energy → Glucose + Oxygen + Water
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The overall reaction for photosynthesis is...\n\nCO2 + H2O-----> O2 +C6H12O6\n\nO2 is a gas\nC6H12)6 is an oorganic molecule glucose (a solid)
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Water photolysis\nThe NADPH is the main reducing agent in chloroplasts, providing a source of energetic electrons to other reactions. Its production leaves chlorophyll with a deficit of electrons (oxidized), which must be obtained from some other reducing agent. The excited electrons lost from chlorophyll in photosystem I are replaced from the electron transport chain by plastocyanin. However, since photosystem II includes the first steps of the Z-scheme, an external source of electrons is required to reduce its oxidized chlorophyll a molecules. The source of electrons in green-plant and cyanobacterial photosynthesis is water. Each water molecule is oxidized by four successive charge-separation reactions by photosystem II to yield a molecule of diatomic oxygen and four hydrogen ions; the electron yielded in each step is transferred to a redox-active tyrosine residue that then reduces the photooxidized paired-chlorophyll a species called P680 that serves as the primary (light-driven) electron donor in the photosystem II reaction center. The oxidation of water is catalyzed in photosystem II by a redox-active structure that contains four manganese ions; this oxygen-evolving complex binds two water molecules and stores the four oxidizing equivalents that are required to drive the water-oxidizing reaction. Photosystem II is the only known biological enzyme that carries out this oxidation of water. The hydrogen ions contribute to the transmembrane chemiosmotic potential that leads to ATP synthesis. Oxygen is a waste product of light-independent reactions, but the majority of organisms on Earth use oxygen for cellular respiration, including photosynthetic organisms.\n\n\nOxygen and photosynthesis\nWith respect to oxygen and photosynthesis, there are two important concepts.\n\nPlant and cyanobacterial (blue-green algal) cells also use oxygen for cellular respiration, although they have a net output of oxygen since much more is produced during photosynthesis. \nOxygen is a product of the light-driven water-oxidation reaction catalyzed by photosystem II; it is not generated by the fixation of carbon dioxide. Consequently, the source of oxygen during photosynthesis is water, not carbon dioxide.
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Photosynthesis occurs in the chloroplasts of a plant cell (also occurs in some prokaryotic algae) It happens in both the Thylakoids and in the Stroma.
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Chloroplasts change their positions inside cells in response to light through the involvement of Actin filaments. It has been shown that actin filaments rearrange themselves under different light regimes and that anti-actin drugs inhibit the light-dependent movement of chloroplasts in many kinds of plant cells, including those of algae.
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In the thylakoid stacks - i believe in the OED or the membranes, but its been a year since i studied photosynthesis and i dont have my notes on me anymore, but i hope that helps a bit.
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Photosynthesis:\n\nCO2 + chlorophyl + sun light + water + minerals + energy -> O2 + food + water\n\n6 CO2 + 12 H2O + ATP + NADPH -> C6H12O6 + 6 O2 + 6 H2O \n\ncarbon dioxide + water + energy -> carbohydrate (glucose) + oxygen + water\n\nGreen plants and livings have chlorophyl make photosynthesis between sun rise and sun set.\n\nRespiration:\n\nC6H12O6 + 6 O2 -> 6CO2 + 6H2O + ATP\n\ncarbohydrate (glucose) + oxygen -> carbon dioxide + water + energy\n\nAll livings have respiratory system.
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During photosynthesis, light energy is converted into chemical potential energy.
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It is called photosynthesis.\nThe reaction is:\n6CO2 + 6H2O (+ light energy)----> C6H12O6 + 6O2\n\nIn this reaction the plants convert the carbon-dioxide and water into glucose releasing oxygen.