The Formation of Glucose-1-Phosphate from Glucose and Orthophosphate Has A \Delta

question 16

Multiple Choice

The formation of glucose-1-phosphate from glucose and orthophosphate has a $\Delta$ G ^$\circ$ ' of + 20.9 kJ/mol. If this reaction were coupled to another reaction in order to produce an exergonic reaction, which of the following would produce an overall endergonic reaction and therefore not be suitable for coupling?

• A)creatine phosphate + H₂O \(\rarr\) creatine + P_i
• B)AMP + H₂O \(\rarr\)adenosine + P_i
• C)ATP + H₂O \(\rarr\) AMP + PP_i
• D)ATP + H₂O \(\rarr\) ADP + P_i
• E)1,3-bisphosphoglycerate + H₂O \(\rarr\) 3-phosphoglycerate + P_i

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Definitions:

Inhalation

The act of breathing in, which allows air or other substances to enter the lungs.

Upward

A direction or movement toward a higher position or place.

Bronchioles

The small airway passages in the lungs that extend from the bronchi and lead to the air sacs (alveoli).

Capillaries

The smallest blood vessels in the body, responsible for the exchange of various substances between the blood and surrounding tissues.