reet
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26. A 3-week-old infant has milk intolerance due to a defect in the enzymes that digest lactose. This enzyme is located at which of the following sites in enterocytes?
A) At the apical surfaces
B) At the basolateral surfaces
C) Within the Golgi complex
D) Within lysosomes
E) Within peroxisomes
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| reet
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2 ques
50. What is the major consequence of a hereditary defect in the production of active pyruvate kinase in the liver and in erythrocytes?
A) Decreased capacity to fix CO2
B) Decreased gluconeogenesis from alanine
C) Decreased oxidation of pyruvate
D) Decreased production of ATP from glucose
E) Increased affinity of hemoglobin for oxygen
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| Natasa
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26.A
50.D
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| pocas
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YEP 26 A
50 D 
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| vinaysaini19
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I think 50 should be E. PK deficiency leads to build up of PEP which stops glycolysis. This decreases DPG production and shifts Hgb curve to left, decreasing P50 and increasing affinity
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| reet
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Hey vinay... if there is defcient enzyme-----the upstream things INCREASE.. so 2,3 BPG production increses.. rt shift occurs on ODC .
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| vinaysaini19
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Yes, you are right!!
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