Which of the following statements about 2,3-BPG is true?
A、It is a high energy phosphate compound.
B、It regulates the oxygen transportation function of Hb.
C、It is highly electronegative.
D、It stabilizes the conformation of Hb.
A、It is a high energy phosphate compound.
B、It regulates the oxygen transportation function of Hb.
C、It is highly electronegative.
D、It stabilizes the conformation of Hb.
A、Paragraph A
B、Paragraph B
C、Both of them
D、None of them
A、Abraham Lincoln
B、Andrew Johnson
C、Thomas Jefferson
D、George Washington
A、glycolysis
B、oxidation of fatty acid
C、aerobic oxidation of glucose
D、pentose phosphate pathway
E、2,3-BPG shunt pathway
A、mitochondria
B、cytosol and ribosome
C、mitochondria and cytosol
D、microsome and cytosol
E、endoplasmic reticulum and mitochondria
A、Synthesized mainly in liver and bone marrow.
B、Materials are succinyl-CoA, glycine and Fe2+.
C、The initial reaction and the last three occur in mitochondrion.
D、The key enzyme is ALA synthase.
A、providing energy
B、participating in fat synthesis
C、participating in amino acid synthesis
D、reducing GSSG to GSH
E、promoting cholesterol synthesis
A、ALA synthase
B、ALA dehydrase
C、UPG Ⅰ cosynthase
D、UPG Ⅲ decarboxylase
E、ferrochelatase
A、lowering hemoglobin affinity for oxygen
B、maintaining normal operation of the calcium pump on the red blood cell membrane
C、maintaining red blood cell volume and biconcave shape
D、lowering hemoglobin affinity for CO2
E、increasing hemoglobin affinity for oxygen
A、PBG synthesis
B、ALA synthesis
C、UPG synthesis
D、CPG synthesis
E、heme synthesis
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