The following are correct about vitamin B12 EXCEPT
Select one:
a. it is also called cobalamin
b. it is important in the catabolism of
some branched chain amino acids
c. it is required in hydroxylation
reactions
d. its methyl derivative is required in the
synthesis of methionine
e. one of its structural components is a
corrin ring​

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Which statement best explains the relationship between an area is geography and the temperature of its surface water

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer