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In a photosystem clusters of chlorophyll a chlorophyllb and carotenoid pigments function most like what?
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∙ 12y ago
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∙ 12y ago
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What is a photosystem?
Found in the thylakoid membranes of chloroplasts, photosystems are clusters of chlorophyll and other pigment molecules that absorb sunlight for photosynthesis.
How do you compare the different roles of photosystem 1 and photosystem 2 in photosynthesis?
The structure of photosystem I in a cyanobacterium ("blue-green alga") has been completely worked out. It probably closely resembles that of plants as well. It is a homotrimer with each subunit in the trimer containing: * 12 different protein molecules bound to * 96 molecules of chlorophyll a ** 2 molecules of the reaction center chlorophyll P700 ** 4 accessory molecules closely associated with them ** 90 molecules that serve as antenna pigments * 22 carotenoid molecules * 4 lipid molecules * 3 clusters of Fe4S4 * 2 phylloquinones Photosystem II is also a complex of * > 20 different protein molecules bound to * 50 or more chlorophyll a molecules ** 2 molecules of the reaction center chlorophyll P680 ** 2 accessory molecules close to them ** 2 molecules of pheophytin (chlorophyll without the Mg++) ** the remaining molecules of chlorophyll a serve as antenna pigments. * some half dozen carotenoid molecules. These also serve as antenna pigments. * 2 molecules of plastoquinoneSource: http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/L/LightReactions.html
Are photosystems clusters of chlorophyll and proteins?
yes
Energy is pass around chlorophyll molecules until it reaches a specific chlorophyll molecule called?
Chlorophyll is arranged in clusters called photosystem. It is like a upside down cone. It is made from secondary chlorophyll pigments surrounding a reaction center(primary pigment) at the tip of the cone. The secondary pigments absorb the light energy and pass it to the reaction center.
What are cluster of chlorophyll called?
Photosystems Photosystems
What is the difference beyween photosystem 1 and photosystem 2?
The structure of photosystem I in a cyanobacterium ("blue-green alga") has been completely worked out. It probably closely resembles that of plants as well. It is a homotrimer with each subunit in the trimer containing: * 12 different protein molecules bound to * 96 molecules of chlorophyll a ** 2 molecules of the reaction center chlorophyll P700 ** 4 accessory molecules closely associated with them ** 90 molecules that serve as antenna pigments * 22 carotenoid molecules * 4 lipid molecules * 3 clusters of Fe4S4 * 2 phylloquinones Photosystem II is also a complex of * > 20 different protein molecules bound to * 50 or more chlorophyll a molecules ** 2 molecules of the reaction center chlorophyll P680 ** 2 accessory molecules close to them ** 2 molecules of pheophytin (chlorophyll without the Mg++) ** the remaining molecules of chlorophyll a serve as antenna pigments. * some half dozen carotenoid molecules. These also serve as antenna pigments. * 2 molecules of plastoquinoneSource: http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/L/LightReactions.html
What is a photosystem?
Found in the thylakoid membranes of chloroplasts, photosystems are clusters of chlorophyll and other pigment molecules that absorb sunlight for photosynthesis.
Clusters of pigment molecules?
the cluster of pigment molecules is a photosystem.
How do you compare the different roles of photosystem 1 and photosystem 2 in photosynthesis?
The structure of photosystem I in a cyanobacterium ("blue-green alga") has been completely worked out. It probably closely resembles that of plants as well. It is a homotrimer with each subunit in the trimer containing: * 12 different protein molecules bound to * 96 molecules of chlorophyll a ** 2 molecules of the reaction center chlorophyll P700 ** 4 accessory molecules closely associated with them ** 90 molecules that serve as antenna pigments * 22 carotenoid molecules * 4 lipid molecules * 3 clusters of Fe4S4 * 2 phylloquinones Photosystem II is also a complex of * > 20 different protein molecules bound to * 50 or more chlorophyll a molecules ** 2 molecules of the reaction center chlorophyll P680 ** 2 accessory molecules close to them ** 2 molecules of pheophytin (chlorophyll without the Mg++) ** the remaining molecules of chlorophyll a serve as antenna pigments. * some half dozen carotenoid molecules. These also serve as antenna pigments. * 2 molecules of plastoquinoneSource: http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/L/LightReactions.html
Are photosystems clusters of chlorophyll and proteins?
yes
Energy is pass around chlorophyll molecules until it reaches a specific chlorophyll molecule called?
Chlorophyll is arranged in clusters called photosystem. It is like a upside down cone. It is made from secondary chlorophyll pigments surrounding a reaction center(primary pigment) at the tip of the cone. The secondary pigments absorb the light energy and pass it to the reaction center.
What do you call the clusters of chlorophyll molecules that capture light energy?
The clusters are called photosystems.
Electron transport chains help move excited electrons along in photosystem II clusters?
true
What are cluster of chlorophyll called?
Photosystems Photosystems
What are the 3 clusters of pecs and give their characteristics?
the 3 clusters of PECs are Achievement Clusters , Planning Clusters and Power Clusters
What are the 3 clustered of PECS?
the 3 clusters of PECs are Achievement Clusters , Planning Clusters and Power Clusters
What are two types of star clusters?
two types of star clusters are Open clusters and globular clusters
