Fructose Can Enter Glycolysis at Two Distinct Points, Depending on the Tissue

question 27

Multiple Choice

Fructose can enter glycolysis at two distinct points, depending on the tissue. How is fructose metabolized in adipose tissue?

• A) Fructose is cleaved to two molecules of GAP.
• B) Fructose is converted to fructose-1-phosphate.
• C) Fructose is converted to fructose-6-phosphate.
• D) Fructose is cleaved to GAP and DHAP.
• E) Fructose is converted to glucose, which enters the pathway.

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Definitions:

Universal Instantiation

A logical rule used in proof theory that allows one to deduce a particular instance from a universally quantified statement.

Universal Generalization

A form of reasoning that infers a general rule from specific examples.

Quantifier Negation

This involves reversing the scope of a quantifier in a statement (e.g., from "all" to "not all") to negate the original statement.

Existential Generalization

A logical inference rule stating that if some predicate holds for at least one thing, then there exists something for which that predicate holds.