Is carbon dioxide oxidized or reduced in photosynthesis
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http://www.rsc.org/Education/Teachers/Resources/cfb/respiration.htm
There are two reasons why energy from the oxidation of glucose is not used directly to drive chemical reactions in the cell: the hydrolysis of ATP releases small amounts of energy compared to the oxidation of glucose, and in a controlled way energy is released instantaneously from the hydrolysis of ATP, but the oxidation of glucose takes time Oxidation and reduction The types of chemical reactions called oxidation and reduction lie at the heart of respiration. This reaction requires phosphoric acid and energy gained from the reduction of NAD+ (oxidised form of nicotinamide adenine dinucleotide) to NADH (reduced form of nicotinamide adenine dinucleotide)
http://www.encyclopedia.com/plants-and-animals/botany/botany-general/photosynthesis
The accessory pigments capture wavelengths of light that chlorophylls cannot, and then transfer the energy to chlorophyll, which uses this energy to carry out the light reactions. The Photosynthetic ProcessThe initial process in photosynthesis is the decomposition of water (H2O) into oxygen, which is released, and hydrogen; direct light is required for this process
http://philipdarrenjones.com/web_documents/photosynthesisreviewworksheetkey.doc
Where does the supply of electrons come from and where do they end up at the end of L-D set of reactions? From - H20 End up - NADPH What products result specifically from Photosystem I and Photosystem II? O2, ATP, NADPH When a water molecule is split, what is it split into? Where do all the resulting components end up? H+ - stroma O2 - atmosphere At what steps of L-D reactions is ATP made. Calvin cycle Synthesis portion of photosynthesis that takes place in the stroma of chloroplasts and does not directly require solar energy; it uses the products of the light dependant reactions to reduce carbon dioxide to a carbohydrate Part B Answer the following questions 1
http://www.rsc.org/Education/Teachers/Resources/cfb/Photosynthesis.htm
Living systems cannot directly utilize light energy, but can, through a complicated series of reactions, convert it into C-C bond energy that can be released by glycolysis and other metabolic processes. Chlorophyll - click on image to open All chlorophylls have: a lipid-soluble hydrocarbon tail (C20H39 -) a flat hydrophilic head with a magnesium ion at its centre; different chlorophylls have different side-groups on the head The tail and head are linked by an ester bond
There are two reasons why energy from the oxidation of glucose is not used directly to drive chemical reactions in the cell: the hydrolysis of ATP releases small amounts of energy compared to the oxidation of glucose, and in a controlled way energy is released instantaneously from the hydrolysis of ATP, but the oxidation of glucose takes time Oxidation and reduction The types of chemical reactions called oxidation and reduction lie at the heart of respiration. This reaction requires phosphoric acid and energy gained from the reduction of NAD+ (oxidised form of nicotinamide adenine dinucleotide) to NADH (reduced form of nicotinamide adenine dinucleotide)
The accessory pigments capture wavelengths of light that chlorophylls cannot, and then transfer the energy to chlorophyll, which uses this energy to carry out the light reactions. The Photosynthetic ProcessThe initial process in photosynthesis is the decomposition of water (H2O) into oxygen, which is released, and hydrogen; direct light is required for this process
Where does the supply of electrons come from and where do they end up at the end of L-D set of reactions? From - H20 End up - NADPH What products result specifically from Photosystem I and Photosystem II? O2, ATP, NADPH When a water molecule is split, what is it split into? Where do all the resulting components end up? H+ - stroma O2 - atmosphere At what steps of L-D reactions is ATP made. Calvin cycle Synthesis portion of photosynthesis that takes place in the stroma of chloroplasts and does not directly require solar energy; it uses the products of the light dependant reactions to reduce carbon dioxide to a carbohydrate Part B Answer the following questions 1
Living systems cannot directly utilize light energy, but can, through a complicated series of reactions, convert it into C-C bond energy that can be released by glycolysis and other metabolic processes. Chlorophyll - click on image to open All chlorophylls have: a lipid-soluble hydrocarbon tail (C20H39 -) a flat hydrophilic head with a magnesium ion at its centre; different chlorophylls have different side-groups on the head The tail and head are linked by an ester bond
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