Figure 5.7

-The graph at the left in Figure 5.7 shows the reaction rate for an enzyme at its optimum temperature. Which graph shows enzyme activity at a higher temperature?
A) a
B) b
C) c
D) d

Question

Figure 5.7
 
-The graph at the left in Figure 5.7 shows the reaction rate for an enzyme at its optimum temperature. Which graph shows enzyme activity at a higher temperature?
A) a 
B) b 
C) c 
D) d

Quizplus · Accepted Answer

Graph b shows enzyme activity at a higher temperature because it has a higher reaction rate than the optimum temperature graph. As temperature increases beyond the optimum temperature, enzyme activity increases until the temperature reaches a point where the enzyme denatures. Graphs a and c also show decreasing reaction rates as enzyme activity is affected by either low or high temperatures. Graph d is not relevant to enzyme activity as it shows the effect of substrate concentration on enzyme activity.

Figure 5.7 -The Graph at the Left in Figure 5.7 Shows the Figure