0 AIIMS nov 2010 biochem

 1.Lactic acidosis is caused by which vitamin def
a) thiamine
b) riboflavin
c) niacin
d) pantothenic acid

ans: A thiamine

2.What prevents ADP from leaving the mitochondria in exchange for ATP? 
a) oligomycin
b) rotenone
c) antimycin a
d) atractyloside

ans:D atractyloside

3. Duchhene muscular dystrophy gene has a promoter site mutation, subsequent problem is? 
a) initiation of transcription is defective
b) capping of protein is defective 
c) tailing is defective
d) premature termination 

ans:A initiation defective

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