Course

Biochemistry

Study Pack

Set 15 The Importance Of Energy Changes And Electron Transfer In Metabolism

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Question 1

(Multiple Choice)

Free
By definition, a spontaneous reaction is one in which

A) energy is released.
B) energy is absorbed.
C) the energy change is zero.
D) the reaction happens quickly
E) energy is released and the reaction happens quickly

Answer

Question 2

(Multiple Choice)

Free
Which best describes the ΔG for hydrolysis of creatine phosphate under cellular conditions in which the concentration of creatine phosphate, creatine, and phosphate all equal 1 mM at 25°C. The ΔG° for the hydrolysis of creatine phosphate at 25°C is −43 kJ/mol.

A) ΔG < −43 kJ/mol
B) ΔG = −43 kJ/mol
C) −43 kJ/mol < ΔG ≤ 0 kJ/mol
D) ΔG > 0 kJ/mol

Answer

Question 3

(Multiple Choice)

Free
Living things are _____

A) a closed system
B) an open system
C) an isolated system
D) none of these

Answer