Give comparison between the following:
C3 and C4 pathways
Cyclic and non-cyclic photophosphorylation
Anatomy of leaf in C3 and C4 plants
Give comparison between the following:
C3 and C4 pathways
Cyclic and non-cyclic photophosphorylation
Anatomy of leaf in C3 and C4 plants
C3 and C4 pathways
C3 pathways C4 pathways1.The primary acceptor of CO2 is RUBP −1.The primary acceptor of CO2 isa six−carbon compound.phosphoenol pyruvate − athreecarbon compound.2.The first stable product is2.The first stable product is3phosphoglycerate.oxaloacetic acid.3.It occurs only in the mesophyll cells of3.It occurs in the mesophyll andthe leaves.bundle−sheath cells of the leaves.4.It is a slower process of carbon4.It is a faster process of carbonfixation and photo−respiratory losses.fixation and photo−respiratory losses.are highlosses are low
Cyclic and non-cyclic photophosphorylations
Cyclic photophosphorylation Non−Cyclic photophosphorylation1.It occurs only in photosystem I.1.It occurs only in photosystem I and II.2.It involves only the synthesis of ATP2.It involves the synthesis of ATPand NADPH2.3.In This process, photolysis of water3.In This process, photolysis of waterdoes not occur. Therefore, oxygen istakes place and. oxygen is.not producedliberated.4.In this process, electrons moves in a4.In this process, electrons do notclosed circle.move in a closed circle.
Anatomy of the leaves in C3 and C4 plants
C3 leaves C4 leaves1.Bundle−sheath cells are absent1.Bundle−sheath cells are present2.RuBisCo is present in the mesophyll2.RuBisCo is present in the cells.bundlesheath cells.3.The first stable compound produced is3.The first stable compound produced is3−phosphoglycerate −a three−carbonis oxaloacetic acid−a four carboncompound.compound.4.Photorespiration occurs4.Photorespiration does not occur
C3 and C4 pathways
C3 pathways C4 pathways1.The primary acceptor of CO2 is RUBP −1.The primary acceptor of CO2 isa six−carbon compound.phosphoenol pyruvate − athreecarbon compound.2.The first stable product is2.The first stable product is3phosphoglycerate.oxaloacetic acid.3.It occurs only in the mesophyll cells of3.It occurs in the mesophyll andthe leaves.bundle−sheath cells of the leaves.4.It is a slower process of carbon4.It is a faster process of carbonfixation and photo−respiratory losses.fixation and photo−respiratory losses.are highlosses are low
Cyclic and non-cyclic photophosphorylations
Cyclic photophosphorylation Non−Cyclic photophosphorylation1.It occurs only in photosystem I.1.It occurs only in photosystem I and II.2.It involves only the synthesis of ATP2.It involves the synthesis of ATPand NADPH2.3.In This process, photolysis of water3.In This process, photolysis of waterdoes not occur. Therefore, oxygen istakes place and. oxygen is.not producedliberated.4.In this process, electrons moves in a4.In this process, electrons do notclosed circle.move in a closed circle.
Anatomy of the leaves in C3 and C4 plants
C3 leaves C4 leaves1.Bundle−sheath cells are absent1.Bundle−sheath cells are present2.RuBisCo is present in the mesophyll2.RuBisCo is present in the cells.bundlesheath cells.3.The first stable compound produced is3.The first stable compound produced is3−phosphoglycerate −a three−carbonis oxaloacetic acid−a four carboncompound.compound.4.Photorespiration occurs4.Photorespiration does not occur
