1
The process of cellular respiration, which converts simple sugars such as glucose into CO2 and water, is an example of _____.
- an endergonic pathway
- a catabolic pathway
- an anabolic pathway
- a pathway that converts organic matter into energy
a catabolic pathway
2
Energy is observed in two basic forms: potential and kinetic.
- True
- False
True
3
The covalent bonds of a sugar molecule provide an example of potential energy
- True
- False
True
4
Which of the following statements about equilibrium of chemical reactions is correct?
- Most reactions in a living cell are close to equilibrium.
- Reactions can only go in the direction toward equilibrium.
- A reaction that is at equilibrium is not capable of doing any work.
- The equilibrium point is where the system has the highest free energy
A reaction that is at equilibrium is not capable of doing any work.
5
Enzymes are described as catalysts, which means that they _____.
- can alter the free energy change (ΔG) for a chemical reaction
- increase the free energy of the reactants to make the reaction go faster
- provide activation energy for the
reactions they facilitate
increase the rate of a reaction without being consumed by the reaction
increase the rate of a reaction without being consumed by the reaction