Multiple Choice Questions

Energy is observed in two basic forms: potential and kinetic. Which of the following correctly matches these forms with a source of energy? the energy associated with a gradient of ions across a membrane: kinetic energy the motion of individual molecules: potential energy the heat released from a living organism: potential energy the covalent bonds of a sugar molecule: potential energy the energy related to the height of a bird above the ground: kinetic energy
  • the use of energy released from an exergonic reaction to drive an endergonic reaction
  • increase the rate of a reaction without being consumed by the reaction
  • Bonds are a form of potential energy because the energy arises from the relative positions of the atoms that form the bond.
  • Exergonic:The energy released by an exergonic reaction can be used to drive an endergonic reaction.
What is the fate of the phosphate group that is removed when ATP is converted to ADP?
  • the use of energy released from an exergonic reaction to drive an endergonic reaction
  • It is acquired by a reactant in an endergonic reaction.
  • ATP:The hydrolysis of ATP provides the energy needed for an endergonic reaction.
  • increase the rate of a reaction without being consumed by the reaction
In cells, what is usually the immediate source of energy for an endergonic reaction?
  • Exergonic:The energy released by an exergonic reaction can be used to drive an endergonic reaction.
  • the use of energy released from an exergonic reaction to drive an endergonic reaction
  • increase the rate of a reaction without being consumed by the reaction
  • ATP:The hydrolysis of ATP provides the energy needed for an endergonic reaction.
A(n) _____ reaction occurs spontaneously.
  • Exergonic because energy is being released
  • Endergonic:Energy has been acquired from the surroundings.
  • endergonic
  • Exergonic
In general, enzymes are what kinds of molecules?
  • It is acquired by a reactant in an endergonic reaction.
  • Exergonic
  • Proteins
  • is unchanged
The reaction ADP + P --> ATP is a(n) _____ reaction.
  • Exergonic:The energy released by an exergonic reaction can be used to drive an endergonic reaction.
  • Endergonic:Energy has been acquired from the surroundings.
  • Exergonic because energy is being released
  • increase the rate of a reaction without being consumed by the reaction
The following reactionA --> B + C + heatis a(n) _____ reaction.
  • increase the rate of a reaction without being consumed by the reaction
  • Exergonic:The energy released by an exergonic reaction can be used to drive an endergonic reaction.
  • Endergonic:Energy has been acquired from the surroundings.
  • Exergonic because energy is being released
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Multiple Choice Questions
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