Vitamin B12 Flashcards
1
Q
Vitamin B12 common name is
A
Cobalamin
2
Q
Cobalamin two functions are
A
remethylation of homocysteine and isomerization of methylmalonyl CoA to Succinyl CoA
3
Q
Remthylation of homocysteine is needed to synthesis methionine, Remethylation of Hcy use
A
methyltetrahydrofolate in a reaction requiring methylcobalamin
4
Q
isomerization of methylmalonyl requires
A
5’-deoxyadenosyl cobalamin
5
Q
The nucleoside of cobalamin is
A
3’-deoxyadenosine
6
Q
Deficiency of cobalamin will cause
A
anemia, spinal chord neuron degeneration, angular cheilosis, halitosis, gingivitis
