INBDE (Integrated National Board Dental Examination) Practice Exam

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Which enzyme is used to convert sucrose to glucans and fructans?

Glucosyltransferase
Amylase
Catalase
Ligase

The correct answer is: Glucosyltransferase

Glucosyltransferase is the correct enzyme used to convert sucrose to glucans and fructans. Amylase is an enzyme that breaks down starch into simple sugars, so it is not involved in the conversion of sucrose. Catalase is responsible for breaking down hydrogen peroxide into water and oxygen, so it is not involved in the conversion of sucrose either. Ligase is an enzyme involved in joining two molecules together, so it also does not play a role in the conversion of sucrose. Glucosyltransferase specifically catalyzes the conversion of sucrose into glucose and fructose, which can then form glucans and fructans.