The Enzyme Phosphofructokinase (PFK) Catalyzes a Key Step in Glycolysis

question 4

Multiple Choice

The enzyme phosphofructokinase (PFK) catalyzes a key step in glycolysis and is inhibited by high levels of which of the following molecules?

• A) glucose and NAD+
• B) AMP and ATP
• C) ATP and citrate
• D) citrate and CO₂

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Definitions:

Sensitizing Effects

Changes in behavior or responses due to participants becoming accustomed or sensitized to the experiment or its conditions.

Within-Subjects Designs

Experimental design in which the same participants are exposed to all conditions or treatments, allowing direct comparison of responses across conditions.

Order Effects

The impact of the order in which treatments, tasks, or stimuli are presented on the participants' responses in an experiment.

Counterbalanced Crossover Designs

A research method where participants are exposed to multiple conditions in a specific sequence to control for the effects of the condition order on outcomes.