When either folate or vitamin B-12 is lacking, the amount of homocysteine in the body ______.Multiple choice question.increasesdecreases

Vitamin B-12 is required for an enzymatic reaction involved in _____ metabolism.Multiple choice question.alcoholcarbohydratetryptophanhomocysteine

The B vitamin required as a coenzyme to metabolize carbohydrates and some amino acids is _____.Multiple choice question.folatebiotinthiaminvitamin B-12

An increase in vitamin C intake results in a(n) ______ of excretion of the vitamin by the kidneys.Multiple choice question.decreaseincrease

Multiple Choice QuestionThe anemia produced in a vitamin B-12 deficiency is identical to that produced in a _____ deficiency.Multiple choice question.thiaminfolatepantothenic acidvitamin B-6

The deficiency disease for vitamin B-12 is called _____.Multiple choice question.pernicious anemiaspina bifidapellagraberiberi