Question 1

(Multiple Choice)

Consider the following two chemical equations:
A. glucose + fructose → sucrose + H2O, Δ G = +27 kJ/mole (or +6.5 kcal/mole)
B. glucose + fructose + ATP → sucrose + ADP + Pi, Δ G = −5 kJ/mole (or −1.2 kcal/mole)
What is the overall Δ G ?


A) 22 kJ/mole
B) 32 kJ/mole
C) -32 kJ/mole
D) −135 kJ/mole
E) 135 kJ/mole

Answer

A