the analogue of sulfonamides is ( )
A. FH4
B. FH2
C. para-amino –benzoic acid
D. folic acid
E. pyrimidine
查看答案
Lactate dehydrogenase isoenzymes are composed of H and M subunits( )
A. dimer
B. trimer
C. tetramer
D. pentamer
E. hexamer
The most common type of chemical modification is ( )
A. Phosphorylation and dephosphorylation,
B. acetylation and deacetylation
C. methylation and demethylation
D. adenylation and deadenylation
E. -SH and –S-S interconversion
NADH existed in liver want to enter into the mitochondrion mainly through ( )
A. citrate – pyruvate cycle
B. carnitine shuttle
C. malate- aspartate shuttle
D. α-glycerophosphate shuttle
E. alanine-glucose cycle
the sequence of arrange of cytochrome in respiratory chain is ( )
A. b→c→c1→aa3→O2
B. c→b→c1→aa3→O2
C. c1→c→b→aa3→O2
D. b→c1→c→aa3→O2
E. c→c1→b→aa3→O2
微信支付 
支付宝支付