Exam 10: Water-Soluble Vitamins

A carcinogen is any environmental factor such as asbestos,tobacco smoke,radiation,or a virus that triggers cancer.

Riboflavin is a component of flavin mononucleotide,a coenzyme that plays a key role in several enzymatic reactions.

Which vitamins are important as methyl donors in homocysteine metabolism?

Yesterday,Abigial consumed 50 μg of natural food folate and 100 μg of synthetic folate.  How many dietary folate equivalents (DFEs)did Abigail consume?

A researcher has isolated an organic,water-soluble chemical from roses.After performing in vivo tests,the scientist determines that the chemical supplies no energy for cells,but protects cell membranes from being damaged by certain environmental factors.Based on this information,the researcher may have discovered a(n)________. 

________,found in FMN and FAD,is important for carbohydrate,amino acid,and lipid metabolism.

When cooking green beans,Lenny likes to add baking soda to the cooking water because it keeps the beans from turning olive green.As a result of this practice,Lenny's green beans have ________ than green beans cooked in plain water. 

Megaloblastic anemia may occur as a result of a deficiency in ________.

Niacin is needed to make coenzyme A.

Sean has carpal tunnel syndrome.A few months ago,he began taking megadoses of vitamin B-6,when he read that the vitamin can cure the disorder.Today,Sean reported to his friends that his hands were feeling numb and his walking is unsteady.Based on this information,Sean should ________.

Which of the following vitamins is important in protein metabolism as a component of PLP?

Pele is a 30-year-old healthy male.  Based on the adult RDA for folate in the United States,he should consume 400 μg/day of folate.

Felicity's LDL cholesterol level is too high.To lower her cholesterol level,she took large doses of a certain vitamin supplement,but she experienced severe facial flushing as a result.Based on this information,which vitamin did she take?

Santiago has an inherited metabolic defect in which his cells have difficulty processing homocysteine to methionine.His physician may recommend vitamin ________ supplements to help Santiago's body metabolize homocysteine.

Consuming too much avidin,a protein found in raw egg whites,may inhibit ________ absorption.

________ are water-soluble vitamins.

________ is added to refined grain products as part of the enrichment process.

Choline is necessary for the formation of the neurotransmitter acetylcholine involved in muscle contraction,memory,and learning.

Which of the following foods contains the most niacin per serving?

Vitamin C enhances the absorption of ________.