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To review:
The regulation of aerobic respiration and the way in which photosynthesis suppresses mitochondria respiration in plants.
Introduction:
Cytoplasmic ATP (adenosine triphosphate):ADP and NADH:NAD+ ratios rise on illumination. Transportation of DHAP (dihydrogen ammonium phosphate) from the stroma to cytoplasm leads to conversion of DHAP into glyceraldehyde-3-phosphate, and further into glycerate-1,3-bisphosphate. The reverse of this reaction occurs in cytoplasm and chloroplast. This shuttle in reaction results in a decrease in the activity of mitochondrial respiration.
Aerobic respiration is a process in which plants use environmental oxygen and carbohydrate to produce energy. This is an antiphotosynthesis pathway and takes placeusually when photosynthesis does not occur. Aerobic respiration is a combination of mainly threepathways: glycolysis, Krebs cycle, and electron transport chain (ETC). Also, lipid and protein synthesis play a role in this.
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Chapter 13 Solutions
Biochemistry: The Molecular Basis of Life
- Draw the product of this reaction. Ignore inorganic byproducts. H H ⚫OH HO- -H H- -OH H- -OH CH2OH Ag*, NH4OH, H2O Draw Fischer Projectionarrow_forwardDraw the product of this reaction. Ignore inorganic byproducts. H₂O -OH H ⚫OH HO H HO- CH2OH Cu2+ Draw Fischer Projectionarrow_forwardDraw the product of this reaction. Ignore inorganic byproducts. H、 H -OH H ⚫OH H -OH CH2OH Fehlings' solution ⑤ Draw Fischer Projectionarrow_forward
- Draw the product of this reaction. Ignore inorganic byproducts. HO C=0 H ⚫OH H ⚫OH HO- H HO H CH2OH Tollens' solution Draw Fischer Projectionarrow_forwardDraw the product of this reaction. Ignore inorganic byproducts. H-C=O HO H HO H H- ⚫OH HO H CH2OH HNO3, H2O Draw Fischer Projectionarrow_forwardDraw the product of this reaction. Ignore inorganic byproducts. HO HO- HO H HO ∙H HO CH2OH NaBH4, CH3OH Draw Fischer Projectionarrow_forward
- Draw the product of this reaction. Ignore inorganic byproducts. Но сво HO H HO H H OH H -OH CH2OH H2 Pd Draw Fischer Projectionarrow_forwardDraw the Haworth projection for Gulose-ẞ-1,6-sorbose and answer the following questions. (Gulose will be in the pyranose form and Sorbose will be in the furanose form) a. Label the reducing and nonreducing ends of the disaccharide b. Label the glycosidic bond c. Circle the anomeric carbons and label them as hemiacetals or acetals. d. Can this disaccharide undergo mutarotation?arrow_forwardDraw the product of the reaction below. Ignore inorganic byproducts. H OH HO HO HO ·H H OH H OH excess CH3CH2I KOHarrow_forward
- Draw the Haworth structures for the following: a. α-D-Gulopyranose b. ẞ-D-Sorbofuranose c. The two possible isomers of a-D-altrose (furanose and pyranose forms)arrow_forwardDraw the product of this reaction. Ignore inorganic byproducts. HO H ⚫OH HO- ∙H H- -OH H ⚫OH CH2OH HNO3, H2Oarrow_forwardDraw the product of the reaction below. Ignore inorganic byproducts. HO CH2OH OH OH OH excess CHзI Ag2Oarrow_forward
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