Biochemistry Analysis Metabolic Control Online Exam Quiz
Biochemistry Analysis Metabolic Control GK Quiz. Question and Answers related to Biochemistry Analysis Metabolic Control. MCQ (Multiple Choice Questions with answers about Biochemistry Analysis Metabolic Control
Which of the following is the most influential in setting the flux through glycolysis?
Options
A : Hexokinase
B : PFK-1
C : PFK-2
D : Both hexokinase and PFK-1
Which of the following statements about the control of glycogen synthesis from blood glucose in myocytes is incorrect?
Options
A : Insulin affects three of five steps in this pathway
B : The effects on transport and hexokinase activity increase the flux towards glycogen
C : The change in glycogen synthase activity increases the flux towards glycogen
D : Hexokinase enzyme is involved
What is the relation between elasticity coefficient, flux coefficient and response coefficient?
Options
A : R = C.?
B : R = C??
C : R = ??C
D : ? = C.R
Some regulated enzymes rebalance the level of metabolites in response to the change in flux, this activity is ___________
Options
A : Regulation
B : Control
C : Metabolism
D : Anabolism
Some regulated enzymes control the flux through a pathway, this activity is ___________
Options
A : Regulation
B : Control
C : Metabolism
D : Anabolism
An expression for the experimentally determined change in flux through a pathway in response to a regulatory hormone or second messenger.
Options
A : Response coefficient
B : Elasticity coefficient
C : Flux control coefficient
D : Metabolic control
Which of the following is a measure of how responsive the enzyme is to changes in the concentration of a metabolite?
Options
A : Response coefficient
B : Elasticity coefficient
C : Flux control coefficient
D : Metabolic control
Which of the following is a measure of the effect of an enzyme’s concentration on flux through a multi-enzyme pathway?
Options
A : Response coefficient
B : Elasticity coefficient
C : Flux control coefficient
D : Metabolic control
Flux control coefficient measures the ____________
Options
A : Steady state change
B : pH change
C : Temperature change
D : Hormonal change
Metabolic control analysis does not suggest that ___________
Options
A : When the blood glucose level rises, insulin acts in muscle to increase glucose transport into cells by bringing GLUT4 to the plasma membrane
B : When the blood glucose level rises, insulin acts in muscle to induce the synthesis of PFK-1
C : When the blood glucose level rises, insulin acts in muscle to activate glycogen synthase by covalent alteration
D : When the blood glucose level rises, insulin acts in muscle to induce the synthesis of hexokinase
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