
Concept explainers
(a)
Interpretation: To determine whether oxaloacetate and
Concept introduction: Transamination reaction is a biochemical reaction that involves the transfer of an amino group. In transamination reaction exchange of an amino group from an
The general structure of an amino acid is:
Here,
An acid containing both carbonyl and carboxyl
(a)

Answer to Problem 26.33EP
No, oxaloacetate and
Explanation of Solution
Oxaloacetate is a keto acid and its structure is:
The two reactants in transamination reaction are a keto acid and an amino acid. Both oxaloacetate and
(b)
Interpretation: To determine whether glutamate and oxaloacetate could function as the two reactants in a transamination reaction or not.
Concept introduction: Transamination reaction is a biochemical reaction that involves the transfer of an amino group. In transamination reaction exchange of an amino group from an
The general structure of an amino acid is:
Here,
An acid containing both carbonyl and carboxyl functional group is known as a keto acid. A general representation of a keto acid is:
(b)

Answer to Problem 26.33EP
Yes, glutamate and oxaloacetate can function as the reactants in a transamination reaction.
Explanation of Solution
Glutamate is an amino acid and its structure is:
Oxaloacetate is a keto acid and its structure is:
Transamination reaction involves the exchange of an amino group from an
(c)
Interpretation: To determine whether glutarate and glutamate could function as the two reactants in a transamination reaction or not.
Concept introduction: Transamination reaction is a biochemical reaction that involves the transfer of an amino group. In transamination reaction exchange of an amino group from an
The general structure of an amino acid is:
Here,
An acid containing both carbonyl and carboxyl functional group is known as a keto acid. A general representation of a keto acid is:
(c)

Answer to Problem 26.33EP
No, glutarate and glutamate cannot function as the reactants in a transamination reaction.
Explanation of Solution
Glutarate is a diacid and its structure is:
Glutamate is an amino acid and its structure is:
The two reactants in transamination reaction are a keto acid and an amino acid. Glutamate is an amino acid but glutarate is not a keto acid. For a transamination reaction to take place there must be one keto acid present along with an amino acid. Thus, glutarate and glutamate cannot function as the reactants in a transamination reaction.
(d)
Interpretation: To determine whether oxaloacetate and succinate could function as the two reactants in a transamination reaction or not.
Concept introduction: Transamination reaction is a biochemical reaction that involves the transfer of an amino group. In transamination reaction exchange of an amino group from an
The general reaction to illustrate transamination is as follows:
The general structure of an amino acid is:
Here,
An acid containing both carbonyl and carboxyl functional group is known as a keto acid. A general representation of a keto acid is:
(d)

Answer to Problem 26.33EP
No, oxaloacetate and succinate cannot function as the reactants in a transamination reaction.
Explanation of Solution
Oxaloacetate is a keto acid and its structure is:
Succinate is a diacid acid and its structure is:
The two reactants in transamination reaction are a keto acid and an amino acid. Oxaloacetate is keto acid but succinate is not an amino acid. For a transamination reaction to take place there must be one amino acid present along with a keto acid. Thus, oxaloacetate and succinate cannot function as the reactants in a transamination reaction.
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Chapter 26 Solutions
Study Guide with Selected Solutions for Stoker's General, Organic, and Biological Chemistry, 7th
- When anisole is treated with excess bromine, the reaction gives a product which shows two singlets in 1H NMR. Draw the product.arrow_forward(ii) Draw a reasonable mechanism for the following reaction: CI NaOH heat OH (hint: SNAr Reaction) :arrow_forwardDraw the major product in each of the following reaction:arrow_forward
- Draw the mechanism for the following Friedel-Craft reaction. AlBr3 Brarrow_forward(a) Draw the structures of A and B in the following reaction. (i) NaNH2, NH3(1) A + B (ii) H3O+arrow_forwardFor the reaction 2 N2O5(g) → 4 NO2(g) + O2(g), the following mechanism has been proposed: N2O5 →> NO₂+ NO3_(K1) NO2 + NO3 → N2O5 (k-1) NO2 + NO3 → → NO2 + O2 + NO (K2) NO + N2O5- NO2 + NO2 + NO2 (K3) d[N₂O5] __2k‚k₂[N2O5] Indicate whether the following rate expression is acceptable: dt k₁₁+ k₂arrow_forward
- Consider the following decomposition reaction of N2O5(g): For the reaction 2 N2O5(g) → 4 NO2(g) + O2(g), the following mechanism has been proposed: N2O5 → NO2 + NO3 (K1) NO2 + NO3 → N2O5 (k-1) NO2 + NO3 → NO2 + O2 + NO (K2) NO + N2O5 → NO2 + NO2 + NO2 (K3) Indicate whether the following rate expression is acceptable: d[N2O5] = -k₁[N₂O₂] + K¸₁[NO₂][NO3] - K¸[NO₂]³ dtarrow_forwardIn a reaction of A + B to give C, another compound other than A, B or C may appear in the kinetic equation.arrow_forwardFor the reaction 2 N2O5(g) → 4 NO2(g) + O2(g), the following mechanism has been proposed: N2O5 →> NO₂+ NO3_(K1) NO2 + NO3 → N2O5 (k-1) NO2 + NO3 → → NO2 + O2 + NO (K2) NO + N2O5- NO2 + NO2 + NO2 (K3) d[N₂O5] __2k‚k₂[N2O5] Indicate whether the following rate expression is acceptable: dt k₁₁+ k₂arrow_forward
- Given the reaction R + Q → P, indicate the rate law with respect to R, with respect to P and with respect to P.arrow_forwardSteps and explanations. Also provide, if possible, ways to adress this kind of problems in general.arrow_forwardk₁ Given the reaction A B, indicate k-1 d[A] (A). the rate law with respect to A: (B). the rate law with respect to B: d[B] dt dtarrow_forward
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