Quiz on Catabolic Pathways Flashcards
Metabolic Pathways Prior to Kreb’s Cycle:
Conversion of amino acids into ammonia
a. Urea Cycle
b. Glycolysis
c. Beta Oxidation
d. Ketogenesis
e. Gluconeogenesis
a.
Metabolic Pathways Prior to Kreb’s Cycle:
Conversion of simple sugar to pyruvate
a. Urea Cycle
b. Glycolysis
c. Beta Oxidation
d. Ketogenesis
e. Gluconeogenesis
b
Metabolic Pathways Prior to Kreb’s Cycle:
Conversion of fatty acids to acetyl CoA
a. Urea Cycle
b. Glycolysis
c. Beta Oxidation
d. Ketogenesis
e. Gluconeogenesis
c
Metabolic Pathways Prior to Kreb’s Cycle:
Conversion of some amino acids to acetyl CoA
a. Urea Cycle
b. Glycolysis
c. Beta Oxidation
d. Ketogenesis
e. Gluconeogenesis
d
Metabolic Pathways Prior to Kreb’s Cycle:
Conversion of some amino acids to pyruvate
a. Urea Cycle
b. Glycolysis
c. Beta Oxidation
d. Ketogenesis
e. Gluconeogenesis
e.
Oxidative Phosphorylation
Transforms CoQH2 to COQ, thus releasing 2 moles of H+ (in addition to reduction of 2 moles of cytochrome c)
a. Complex I
b. Complex II
c. Complex III
d. Complex IV
c
Oxidative Phosphorylation
Transforms oxygen air and protons into water
a. Complex I
b. Complex II
c. Complex III
d. Complex IV
d
Oxidative Phosphorylation
Transforms NADH to NAD+, thus releasing 2 moles of H+
a. Complex I
b. Complex II
c. Complex III
d. Complex IV
a
Oxidative Phosphorylation
Transforms FADH2 to FAD
a. Complex I
b. Complex II
c. Complex III
d. Complex IV
c.
Energy yield:
Number of ATP moles produced per mole of GTP
a. 1 ATP
b. 1.5 ATP or 2 ATP
c. 1.5 ATP or 3 ATP
a
Energy yield:
Number of ATP moles produced per mole of NADH
a. 1 ATP
b. 1.5 ATP or 2 ATP
c. 2.5 ATP or 3 ATP
c
Energy yield:
Number of ATP moles produced per mole of ** FADH2**
a. 1 ATP
b. 1.5 ATP or 2 ATP
c. 2.5 ATP or 3 ATP
b
Amino Acid Catabolism:
Entry point of tyrosine and phenylalanine in TCA cycle
a. Fumarate and Acetoacetyl CoA
b. Oxaloacetate
c. Succinyl CoA
d. Alpha Ketoglutarate
e. Pyruvate
a
Amino Acid Catabolism:
Entry point of asparagine in TCA cycle
a. Fumarate and Acetoacetyl CoA
b. Oxaloacetate
c. Succinyl CoA
d. Alpha Ketoglutarate
e. Pyruvate
b
Amino Acid Catabolism:
Entry point of methionine and valine in TCA cycle
a. Fumarate and Acetoacetyl CoA
b. Oxaloacetate
c. Succinyl CoA
d. Alpha Ketoglutarate
e. Pyruvate
c
Amino Acid Catabolism:
Entry point of glutamate, glutamine and histidine in TCA cycle
a. Fumarate and Acetoacetyl CoA
b. Oxaloacetate
c. Succinyl CoA
d. Alpha Ketoglutarate
e. Pyruvate
d.
Amino Acid Catabolism:
Entry point of glycine, alanine, and cysteine in TCA cycle
a. Fumarate and Acetoacetyl CoA
b. Oxaloacetate
c. Succinyl CoA
d. Alpha Ketoglutarate
e. Pyruvate
e
Steps in Urea Cycle (starting from Carbamoyl Phosphate with Ornithine): Drag and Drop the choices in order
Step 1 - Citrulline
Step 2 - Argininosuccinate plus aspartate
Step 3 - Arginine (with the release of fumarate)
Step 4 - Ornithine (with the release of urea)
Beta Oxidation of Fatty Acids:
Enzyme converting both beta-ketoacyl CoA and Coenzyme A to an acyl CoA and acetyl CoA
a. thiolase
b. acyl CoA dehydrogenase
c. beta-hydroxyacyl CoA dehydrogenase
d. enoyl CoA hydratase
a
Beta Oxidation of Fatty Acids:
Enzyme responsible for converting an acyl CoA to a trans-enoyl CoA
a. thiolase
b. acyl CoA dehydrogenase
c. beta-hydroxyacyl CoA dehydrogenase
d. enoyl CoA hydratase
b
Beta Oxidation of Fatty Acids:
Enzyme responsible for converting beta-hydroxyacyl CoA to ketoacyl CoA
a. thiolase
b. acyl CoA dehydrogenase
c. beta-hydroxyacyl CoA dehydrogenase
d. enoyl CoA hydratase
c
Beta Oxidation of Fatty Acids:
Enzyme responsible for converting a trans-enoyl CoA to beta-hydroxyacyl CoA
a. thiolase
b. acyl CoA dehydrogenase
c. beta-hydroxyacyl CoA dehydrogenase
d. enoyl CoA hydratase
d
