Which plot shows the relationship between reaction rate and substrate concentration? O O Reaction rate Reaction rate Substrate concentration (constant enzyme concentration) Figure 3 Substrate concentration (constant enzyme concentration) Reaction rate Substrate concentration (constant enzyme concentration) Figure 4
Which plot shows the relationship between reaction rate and substrate concentration? O O Reaction rate Reaction rate Substrate concentration (constant enzyme concentration) Figure 3 Substrate concentration (constant enzyme concentration) Reaction rate Substrate concentration (constant enzyme concentration) Figure 4
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Q8:
Transcribed Image Text:Which plot shows the relationship between reaction rate and substrate concentration?
O
O
Reaction rate
Reaction rate
Substrate concentration
(constant enzyme concentration)
Figure 3
Substrate concentration
(constant enzyme concentration)
Figure 5
Reaction rate
Substrate concentration
(constant enzyme concentration)
Figure 4
Transcribed Image Text:The plots show the effect of pH, temperature, and substrate concentration on enzyme activity and reaction rate. Answer the
questions based on the plots.
Figure 1 shows the activity of two enzymes, enzyme A and enzyme B, at different pH values. At what pH does enzyme A have
maximum activity?
B
A
M^
3
4
7 8
PH
Figure 1
Enzyme activity
0 1
-2
Reaction rate
2
-m
-st
10
15
-co
-00
9 10 11 12 13 14
Figure 2 shows the reaction rate of an enzyme-catalyzed reaction at different temperatures. Above what temperature does the
reaction rate slow?
pH =
20 30 40 50
Temperature (°C)
Figure 2
temperature =
Which plot shows the relationship between reaction rate and substrate concentration?
°C
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