Give the Final Step for the Mechanism for Glucose-6-Phosphate Isomerase

question 63

Multiple Choice

Give the final step for the mechanism for glucose-6-phosphate isomerase.

• A)In the ring opening reaction,a base catalyst removes a proton from the OH group and an acid catalyst aids in the departure of the leaving group by protonating it.
• B)A base catalyst removes a proton from the a-carbon of the aldehyde.
• C)The enol is converted to a ketone.
• D)The ester group is hydrolyzed.
• E)The conjugate base of the acid catalyst and the conjugate acid of the base catalyst catalyze ring closure.

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