1. feedback inhibition is the process that turns off an early enzyme in a metabolic pathway as the result of the inhibitory actions of a product of the pathway. T or F
2. in order to roll a rock down a hillside, you must first push it up out of the hole in which it rests. pushing the rock is analogous to the energy of activation of a chemical. T or F
3. if a change in pH alters an allosteric site where an inhibitor binds, but doesn't change the active site for the intended substrate, it would be possible for an enzymatically controlled reaction in occur as normal. T or F
4. Which of these statement is NOT a consequence of the second lae of thermodynamcis?
a. while the total amount of energy is unchanged, but energy lost as heat is no longer useful to the cell in doing work
b. reactions that occur spontaneously are those that increase the amount of useful energy in a system
c. The amount of disorder in the universe is always increasing
d. To maintain organization of a cell, a continual input of energy is required.
2. in order to roll a rock down a hillside, you must first push it up out of the hole in which it rests. pushing the rock is analogous to the energy of activation of a chemical. T or F
3. if a change in pH alters an allosteric site where an inhibitor binds, but doesn't change the active site for the intended substrate, it would be possible for an enzymatically controlled reaction in occur as normal. T or F
4. Which of these statement is NOT a consequence of the second lae of thermodynamcis?
a. while the total amount of energy is unchanged, but energy lost as heat is no longer useful to the cell in doing work
b. reactions that occur spontaneously are those that increase the amount of useful energy in a system
c. The amount of disorder in the universe is always increasing
d. To maintain organization of a cell, a continual input of energy is required.