MCQ 2 Flashcards
Which reaction in the gluconeogenesis pathway occurs in the mitochondria and not in the cytosol?
Pyruvate–> Oxaloacetate
How many ATP molecules are used in the conversion of 2 molecules of pyruvate to 1 molecule of glucose?
6
(Glucose) n + Glucose + 2ATP + H20 → (Glucose) n+1 + 2ADP + 2Pi + 2H+
Describes which metabolic pathway
Glycogenesis
The process of adding 1 glucose to glycogen uses how many ATP
2
What is the glucose released from glycogen within the muscles primarily used for ?
ATP production
Glycogen synthase catalyzes
The growth of the glycogen chain by one unit
If the reaction below is taking place in the liver which enzyme catalyzes it ?
Glucokinase
What enzyme is common to both the glycogenesis and glycogenolysis pathways?
Phosphoglucomutase
The structure of mitochondria in eukaryotic cells consists of
An outer membrane permeable to small and medium sized metabolites and an inner membrane impermeable to ions.
Which of the following pathways occurs exclusively in the mitochondria matrix?
Lipid Oxidation
What feature of the inner mitochondria membrane is critical in the process of oxidative phosphorylation
The membrane does not allow to flow protons from the matrix to the intermembrane space