A New Organism Is Discovered Which Contains a Super Enzyme

question 21

Multiple Choice

A new organism is discovered which contains a super enzyme that requires no ATP to split glucose into pyruvate but cannot function if oxygen is present. What is this organism's net production of ATP from one molecule of glucose?

• A) 2
• B) 4
• C) 38
• D) 40
• E) 42

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Definitions:

Plasma Membrane

The lipid bilayer that surrounds a cell, controlling the passage of substances in and out of the cell.

Phosphodiesterase

Enzyme that splits phosphodiester bonds—that is, that breaks down cyclic AMP to AMP.

Phosphodiesterase

An enzyme that plays a role in cell signal transduction by breaking down phosphodiester bonds.

Cyclic AMP

A secondary messenger used for intracellular signal transduction, such as transferring the effects of hormones like glucagon and adrenaline.