Pathways and Regulations Quiz_do - From null

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Date: Wed, 16 Sep 2015 09 56 48 -0500
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Subject:Pathways and Regulations Quiz
Pathways and Regulations Quiz
Attempt 1 of 2
09/07/2015 7:30 PM EDT
09/07/2015 7:46 PM EDT
93%
93 out of 100
Question 1
What would be a typical regulatory system in a metabolic pathway?
A. The pathway’s product makes it go faster, so that more and more of
the product builds up in the cell or body.
B. The pathway’s product slows it down, so that the product is
maintained at a constant level in the cell or organism.
Feedback
Right! This kind of regulation maintains stable conditions in the cell or organism.
Question 2
Which of the following regulatory mechanisms is described incorrectly?
A. All are correct
B. substrate availability: more substrate increases enzyme activity
(until it reaches saturation)
C. competitive inhibitor: binds to the active site of the enzyme
D.