Biochemistry Regulation Metabolic Pathways Online Exam Quiz
Biochemistry Regulation Metabolic Pathways GK Quiz. Question and Answers related to Biochemistry Regulation Metabolic Pathways. MCQ (Multiple Choice Questions with answers about Biochemistry Regulation Metabolic Pathways
Which of the following type of metabolites is used for generating glucose under severe starvation conditions?
Options
A : Amino acids
B : Fats
C : Glycogen
D : Starch
Which of the following is not a factor determining the activity of an enzyme?
Options
A : Association with regulatory protein
B : Sequestration
C : Allosteric regulation
D : Nucleotides
Diminished delivery of oxygen to tissues is termed as ___________
Options
A : Hypoxia
B : Ischemia
C : Homeostasis
D : Metabolism
Diminished flow of blood to tissues is termed as ___________
Options
A : Hypoxia
B : Ischemia
C : Homeostasis
D : Metabolism
Which of the following statements is true about the control of muscle glycogen phosphorylase?
Options
A : It is activated by phosphorylation by an active phosphorylase kinase
B : It is allosterically activated by ATP
C : It is allosterically activated by cAMP
D : Normally it exists in active form
The rate of breakdown of metabolites is termed as ___________
Options
A : Metabolic state
B : Metabolism
C : Steady state
D : Homeostasis
Which out of the following statements is true about the regulation of metabolic pathway?
Options
A : Most of the metabolic pathways are regulated
B : Most of the metabolic pathways are not regulated
C : Regulation of metabolic pathways always involves changing the amount of enzymes
D : Metabolic regulation always depends on control by hormones
Which one of the following statements about the control of enzyme activity by phosphorylation is correct?
Options
A : Phosphorylation of an enzyme results in a conformational change
B : Phosphorylation of an enzyme occurs only at specific tyrosine residues
C : Phosphorylation of an enzyme is carried out by phosphoprotein phosphatases
D : Enzyme control by phosphorylation is irreversible
Which of the following statements is true about brain metabolism in starvation?
Options
A : The brain can use glucogenic amino acids for energy
B : The brain can only use glucose as fuel
C : Up to a quarter of energy requirement of the brain can come from fatty acids
D : Up to a half of energy requirement of the brain can come from ketone bodies
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