For hemoglobin, when there is an increased concentration of CO2, this will result in a lower P50 value for O2 O True False Which of the following properties is NOT characteristic of enzymes? O Vary widely in catalytic efficiency O Alter equilibrium distribution of substrate and product Often use acid-base catalysis All of the above Reduce the activation energy

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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For hemoglobin, when there is an increased concentration of CO2, this
will result in a lower P50 value for O2.
O True
False
Which of the following properties is NOT characteristic of enzymes?
O Vary widely in catalytic efficiency
Alter equilibrium distribution of substrate and product
Often use acid-base catalysis
All of the above
Reduce the activation energy
Transcribed Image Text:For hemoglobin, when there is an increased concentration of CO2, this will result in a lower P50 value for O2. O True False Which of the following properties is NOT characteristic of enzymes? O Vary widely in catalytic efficiency Alter equilibrium distribution of substrate and product Often use acid-base catalysis All of the above Reduce the activation energy
On the planet anteaterium, a critical coenzyme is made up by condensing 2 molecules of X and Q.
to give XQ. You have the following biosynthetic pathway to produce X (seeFigure C4(1))
E1
E2
E3
E4
Figure C4(i)
The first step in the biosynthetic pathway of XQ is an allosteric enzyme E1, whereby the plot of
initial velocity vs [S] for E1 is given below. The enzyme in the second to last step of the
biosynthetic pathway E4 produces X. The biosynthesis of Q is controlled by another pathway.
See Figure C4(ii)
A
Control
10
15
20
Substrate (mM)
Curve A represents an example of?
O competitive inhibition
O irreversible inhibition
feedback activation
feedback inhibition
Velooity, mmols product
producedmg protein
Transcribed Image Text:On the planet anteaterium, a critical coenzyme is made up by condensing 2 molecules of X and Q. to give XQ. You have the following biosynthetic pathway to produce X (seeFigure C4(1)) E1 E2 E3 E4 Figure C4(i) The first step in the biosynthetic pathway of XQ is an allosteric enzyme E1, whereby the plot of initial velocity vs [S] for E1 is given below. The enzyme in the second to last step of the biosynthetic pathway E4 produces X. The biosynthesis of Q is controlled by another pathway. See Figure C4(ii) A Control 10 15 20 Substrate (mM) Curve A represents an example of? O competitive inhibition O irreversible inhibition feedback activation feedback inhibition Velooity, mmols product producedmg protein
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