Question

25. Recognizing Reaction Types For the following pairs of biomolecules, identify the type of reaction (oxidation- reduction, hydrolysis, isomerization group transfer, or internal rearrangement) required to convert the first molecule to the second. A) Acetyl-CoA Acetate + COA-S B) Citrate Isocitrate CH2-OPO CH, OH OH C) Glucose Fructose Кон кон N KOH HO нон Glucose 6-phosphate Glucose çoo- F) Glycerol (Glycerin) ÇOo- HHH F) O=C *** HO-C-H CH2 HOT . TH **1 o-=0 он он он coo COO- Oxaloacetate Glycerol-3.phosphate L-Malate

Answer 1

-OH changed to -OPO3^2- group, so phosphate group transfer

-CHOH (alcohol) changed to C=O (ketone), so oxidized, hence oxidation-reduction (forward direction oxidation, backward direction is reduction)

It is well known example that glucose to fructose (glycolysis) & citrate to isocitrate (Citric acid cycle) is an example for isomerization

Acetyl-CoA to Acetate is an example for group transfer by deliver the acetyl group to the citric acid cycle.

25. Recognizing Reaction Types For the following pairs of biomolecules, identify the type of reaction (oxidation- reduction hydrolysis isomerization group transfer, or internal rearrangement) required to convert the first molecule to the second A) Acetyl-CoA > Acetate + CoA-s group transfer B) Citrate socitrate isomerization CH-OPO CH, OH group transfer D) OHH KOHN C) Glucose Fructose isomerization Glucose Glucose 6-phosphate Glycerol (Glycerin) COO- coo- F) HO-C-H -C-H CH2 он он он coo COO- Glycerol-3-phosphate group transfer L-Malate Oxaloacetate oxidation-reduction

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