Readers ask: Which Statement Is True About Vitamin B12 Quizlet?

What is true about vitamin B12?

Vitamin B12 is a nutrient that helps keep the body’s nerve and blood cells healthy and helps make DNA, the genetic material in all cells. Vitamin B12 also helps prevent a type of anemia called megaloblastic anemia that makes people tired and weak. Two steps are required for the body to absorb vitamin B12 from food.

Which property is true of and unique to vitamin B12?

Which property is TRUE of (and unique to) Vitamin B12? It requires intrinsic factor to be absorbed in the body.

What is true of all B vitamins?

Which of the following is true for ALL B vitamins? They all function as coenzymes. All of the following vitamins play a critical role in DNA synthesis EXCEPT: vitamin B6.

What is a function of vitamin B12 quizlet?

Vitamin B12 plays a major role in deoxyribonucleic acid (DNA) synthesis in cells with rapid turnover, such as blood cells and the cells that line the GI tract. The body typically has large stores of vitamin B12; therefore, the onset of symptoms of vitamin B12 deficiency might not appear for years.

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How do cells get B12?

Vitamin B12, or cobalamin, is essential for healthy functioning of the human nervous system and red blood cell synthesis. Unable to produce the vitamin itself, the human body has to obtain it from animal-based foods such as milk products, eggs, red meat, chicken, fish, and shellfish—or vitamin supplements.

What causes vitamin B12 deficiency?

However, the most common cause of vitamin B-12 deficiency anemia is a lack of a substance called intrinsic factor, which can be caused when your immune system mistakenly attacks the stomach cells that produce this substance. This type of anemia is called pernicious anemia.

Which vitamin is mismatched with its deficiency?

Which vitamin is mismatched with its deficiency? vitamin D – pernicious anemia, Vitamin D deficiency is manifested as rickets, while vitamin B12 deficiency is pernicious anemia.

Where does most vitamin absorption occur?

Essentially all vitamin absorption occurs in the small intestine.

Who determined the structure of vitamin B12?

Dorothy Hodgkin

Dorothy Hodgkin OM FRS HonFRSC
Born Dorothy Mary Crowfoot12 May 1910 Cairo, Egypt
Died 29 July 1994 (aged 84) Ilmington, Warwickshire, England
Nationality British
Education Sir John Leman Grammar School

Is Vit B Good For You?

B vitamins play a vital role in maintaining good health and well-being. As the building blocks of a healthy body, B vitamins have a direct impact on your energy levels, brain function, and cell metabolism. Vitamin B complex helps prevent infections and helps support or promote: cell health.

Is B complex the same as B12?

The difference between Vitamin B12 and B complex is that Vitamin B12 is just one of the eight B vitamins that form the B complex. Together, the set of eight B vitamins that make up the B complex are presented in the optimum balance to provide the recommended daily amount.

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Which fruit is rich in vitamin B?

Citrus fruits — such as oranges, clementines, and lemons — check off at least six of the eight B vitamins. They contain: Thiamin (B1) Riboflavin (B2)

Where is Vitamin B12 found?

Vitamin B12 is naturally found in animal products, including fish, meat, poultry, eggs, milk, and milk products. Vitamin B12 is generally not present in plant foods, but fortified breakfast cereals are a readily available source of vitamin B12 with high bioavailability for vegetarians [5,13-15].

Where is B12 absorbed quizlet?

Terms in this set (8)

B12 links with Intrinsic Factor and travels to the Ileum. B12 is absorbed and transferred to the blood transport protein to the Liver for storage or circulation.

What is the blood test for a B12 deficiency?

When a B12 level is normal or low normal but a deficiency is still suspected, a healthcare practitioner may order a methylmalonic acid (MMA) test as an early indicator of B12 deficiency. A low B12 and/or folate level means that you have a deficiency.

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