Enzymes and Energy

1. The amount of energy required for a reaction to proceed is called?
a. enzymes
b.catalysts
*c. activation energy
d. cofactors

2. Thermodynamics obeys by which laws?
a. first and third branch
*b.first and second branch
c.second and third branch
d.none of the above

3. Which of the following forms does energy exist in?
*a. Mechanical, sound, light, electric, heat, chemical
b. Sound, mass, volume, Temperature
c. Light, mechanical, physical, heat, electric
d. Weight, volume, mass

4. Which Statement does not belong in the first Law of Thermodynamics?
a. Energy can change form.
b. During each conversion some energy is lost.
*c. Energy is in an ongoing organized motion.
d. Are ya crazy, all of these statements are correct.

5. Which kind of energy uses stored energy?
a. Kinetic Energy
*b. Potential Energy
c. Activation Energy
d. Endergonic Energy

6. What is a Catalyst?
*a. Enzyme that speeds up a reaction.
b. Protein that speeds up a reaction.
c. Enzyme that slows a reaction.
d. Protein that slows a reaction.

7. What kind of energy can be converted to Heat energy?
a. Mechanical
b. Sound
c. Light
d. Chemical
*e. All of the above

8. How do cells regulate enzymes?
a. By killing it
*b. By changing its shape
c. By producing different proteins
d. By oxidation

9. What are most enzymes?
a. carbohydrates
*b. proteins
c. products
d. none of these.

10. Which of these are the laws of thermodynamics?
a. energy can be transformed.
b. energy can be created and destroyed.
c. the amount of entropy increases in every energy transformation.
*d. a and c
e. none of these.

11. What are the 2 types of metabolism?
*a. anabolism
b. canabolism
*c. catabolism
d. animalism