PEP Carboxykinase

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Science, Chemistry
•
University
•
Hard
Wayground Content
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't pyruvate kinase be reversed using the same enzyme?
It is an endergonic reaction.
It is a highly exergonic reaction.
It requires ATP.
It is not involved in glycolysis.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What molecule does phosphoenolpyruvate carboxykinase use instead of ATP?
UTP
GTP
CTP
TTP
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of entropy in the reaction catalyzed by phosphoenolpyruvate carboxykinase?
It stabilizes the reactants.
It drives the reaction forward.
It increases the reaction's free energy.
It decreases the reaction rate.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first product released during the reaction mechanism of phosphoenolpyruvate carboxykinase?
GTP
GDP
Carbon dioxide
Phosphoenolpyruvate
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of phosphoenolpyruvate?
It is a low-energy molecule.
It is a derivative of a ketone.
It is highly unstable and high-energy.
It is a stable molecule.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many products are formed in the reaction catalyzed by phosphoenolpyruvate carboxykinase?
Four
Three
Two
One
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is phosphoenolpyruvate carboxykinase located within the cell?
In the nucleus
In both the mitochondria and cytosol
Only in the mitochondria
Only in the cytosol
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