Homework 1 Flashcards
What is the purpose of coupling biochemical reactions?
a. To drive a reaction in the forward direction.
b. To reverse an energetically unfavorable reaction.
c. To increase the activation energy.
d. To speed up the reaction by a catalyst.
a. To drive a reaction in the forward direction.
For the reaction H2CO3(aq) ↔ H2O(l) + CO2(g), if the concentration of carbon dioxide is increased, what will happen to the reaction?
a. It proceed in the forward direction.
b. It will have no effect on the reaction.
c. It will proceed in the reverse direction.
d. The reaction will reach equilibrium.
c. It will proceed in the reverse direction.
Keq can be determined from the change in standard free energy using the equation ______.
a. Keq = log e−∆G°/RT
b. Keq = ln e−∆G°/T∆S
c. Keq = e−∆H/RT
d. Keq = e−∆G°/RT
e. Keq = e−∆G°/T∆S
d. Keq = e−∆G°/RT
- ____________ - the free energy of the reaction under the actual reaction conditions. Select all that apply.
a. ΔG
b. ΔG°’
c. ΔG°
d. ΔG‡
a. ΔG
- ____________ - the free energy under the standard states. Select all that apply.
a. ΔG°’
b. ΔG°
c. ΔG‡
d. ΔG
b. ΔG°
- ____________ - the free energy under the biochemical standard states. Select all that apply.
a. ΔG
b. ΔG°’
c. ΔG°
d. ΔG‡
b. ΔG°’
- ____________ is the free energy of the transition state.
a. ΔG‡
b. ΔG°’
c. ΔG
d. ΔG°
a. ΔG‡
- When the reaction conditions match the biochemical standard states, the values of ________ and _______ will be equal.
a. ΔG; ΔG°’
b. ΔG°; ΔG°’
c. ΔG; ΔG‡
d. ΔG; ΔG°
a. ΔG; ΔG°’
- The ________ determines the rate constant, while ________ determines the favorability of a reaction under standard conditions.
a. ΔG; ΔG‡
b. ΔG‡; ΔG°’
c. ΔG‡; ΔG°
d. ΔG; ΔG°
c. ΔG‡; ΔG°
Simple molecules condense to form more complex molecules called __________
Polymers.
