One way of expressing the rate at which an enzyme can catalyze a reaction is to state its turnover number. The turnover number is the maximum number of substrate molecules that can be acted on by one molecule of enzyme per unit of time. The table gives the turnover number of four representative enzymes. Enzyme Ribonuclease Fumarase Lactate dehydrogenase Urease Substrate Turnover number (per second) RNA 100 fumarate 800 lactate 1000 10,000 fumarate molecules: urea How many molecules of fumarate can one molecule of fumarase act on in 29.0 min?

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Question 7 of 16
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One way of expressing the rate at which an enzyme can catalyze a reaction is to state its turnover number. The turnover number
is the maximum number of substrate molecules that can be acted on by one molecule of enzyme per unit of time. The table
gives the turnover number of four representative enzymes.
W
F2
#m
3
E
How many molecules of fumarate can one molecule of fumarase act on in 29.0 min?
D
fumarate
Lactate dehydrogenase lactate
fumarate molecules:
F3
>
Enzyme
Ribonuclease
Fumarase
$
4
R
Urease
F
F4
%
5
T
G
B
6
HOLO
F5
Substrate Turnover number (per second)
RNA
100
800
1000
10.000
Y
H
&
7
urca
F6
U
J
DELL
*
8
CO
F7
K
(
9
FB
O
P
;
man
Wi
F10
[
F11
1
F12
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Transcribed Image Text:Question 7 of 16 ©Mat One way of expressing the rate at which an enzyme can catalyze a reaction is to state its turnover number. The turnover number is the maximum number of substrate molecules that can be acted on by one molecule of enzyme per unit of time. The table gives the turnover number of four representative enzymes. W F2 #m 3 E How many molecules of fumarate can one molecule of fumarase act on in 29.0 min? D fumarate Lactate dehydrogenase lactate fumarate molecules: F3 > Enzyme Ribonuclease Fumarase $ 4 R Urease F F4 % 5 T G B 6 HOLO F5 Substrate Turnover number (per second) RNA 100 800 1000 10.000 Y H & 7 urca F6 U J DELL * 8 CO F7 K ( 9 FB O P ; man Wi F10 [ F11 1 F12 Backspace Enter Insert Print Screen Shift Delete Home Scroll Lock Answer End 8:24 PM 10/15/2023 + PgUp Pause Break PgDn Num Lock 7 Home 4 1 Enc
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