176 . What ions are essential for
the conversion of oxalosuccinate to α -
ketoglutarate?
Answer : Mn++
177 . What are the cofactors are
essential for the conversion of α -
ketoglutarate to succinate?
Answer : TPP, lipoic acid,
NAD, FAD, CoA and mg ++ ions.
178 . Which one inhibit the
conversion of α - ketoglutarate to
succinate?
Answer : Arsenite
179 . What enzyme is essential for
the conversion of succinyl - CoA into succinic acid?
Answer : Succinate thiokinase ( in the
presence of inorganic phosphate and GDP )
180 .Give the formation of
fumarate in citric acid cycle.
Answer : Succinate
dehydrogenated to form fumarate
181 . How many molecules of NAD
are reduced to NADH2 in glycolysis?
Answer : Two molecules
182 . Complete oxidation of one
molecule of glucose yield _____________ calories of energy.
Answer : 686,000 ( 57,000 calories in glycolysis , 629,000
calories in oxidative phase )
183 . How many high energy
phosphate bonds are generated for each molecule of glucose undergoing oxidation
to CO2 and H2O?
Answer : 38
184 . Each high energy phosphate
bond is equivalent to ____________ calories.
Answer : 7,500
185 . Give the total energy
captured in ATP during oxidation of one molecule of glucose
Answer : 285,000 calories
186 . How many ATP molecules are
produced during glycolysis and citric acid cycle ?
Answer : 32
187 . How many ATP molecules are
produced in glycolysis?
Answer : Eight
188 . How many ATP molecules are
produced during citric acid cycle ?
Answer : 24
189 . How many ATP molecules are
produced during the conversion of pyruvate to acetyl – CoA?
Answer : Six
190 . How many ATP molecules are
generated from oxidation of one molecule of glucose?
Answer : 38
191 . What is the function of
liver in the conversion of lactic acid formed during muscular exercise?
Answer : Liver convert lactic
acid into liver glycogen and blood glucose via Cori cycle.
192 . Which B complex vitamin is
essential for the conversion of pyruvic acid into oxaloacetic acid?
Answer : Biotin
193 . What are the other names for
HMP shunt pathway?
Answer : Oxidative shunt or
pentose shunt pathway or Warburgh – Dickens – Lipmann pathway
194 .What is the importance of HMP
shunt pathway?
Answer : Generates NADPH which
is necessary for the formation of glutathione in reduced state.
195 . Which is required to
maintain the integrity of the red cell membrane?
Answer : Glutathione
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