Vitamin B12 is unique among the B vitamins in all of the following ways EXCEPT __________.
it is stored in the liver |
it requires the intrinsic factor for absorption |
it can only be found in plant foods |
it contains cobalt |
it can only be found in plant foods
Vitamin B12 can only be found in animal foods such as fish, meat, dairy products and eggs.
Vitamin B12 is unique among the B vitamins in all of the following ways EXCEPT __________....
1. The reactions the vitamin B12 coenzyme participates in do all of the following except: a. convert homocysteine to methionine. b. help produce DNA and RNA. c. produce succinyl CoA. d. untrap folate. 2. Which of the following proteins does not bind vitamin B12 and assist with absorption and transport? a. intrinsic factor b. transcobalamin c. pepsin d. R protein 3. Good dietary sources of magnesium include all of the following except: a. green leafy vegetables. b. whole grains. c....
Vitamins- Vitamin B12 : Cyanocobalamin 35 yr old man who had a partial gastrectomy 1 year ago due to severe gastric ulcer disease presented to Dr. Franklin’s clinic with complaints of loss of balance while walking, confusion, weight loss and the eyes and palms of his hands look very pale (anemic). He has also been taking alcohol and cigarette for the past 10 years. He only consumes plant products. The Doctor diagnosed a vitamin deficiency. Questions 1. Name the vitamin...
Vitamins- Vitamin B12 : Cyanocobalamin 35 yr old man who had a partial gastrectomy 1 year ago due to severe gastric ulcer disease presented to Dr. Franklin’s clinic with complaints of loss of balance while walking, confusion, weight loss and the eyes and palms of his hands look very pale (anemic). He has also been taking alcohol and cigarette for the past 10 years. He only consumes plant products. The Doctor diagnosed a vitamin deficiency. Questions 5. Give 3 reasons...
i. Which of the following is true for ALL B vitamins? They all function as coenzymes. They cannot be synthesized in the human body. They all play critical roles in energy metabolism. They are readily destroyed during food storage and cooking. 2. All of the following are recommended practices to preserve vitamins in food EXCEPT: use minimal water and time to cook vegetables. purchase milk in opaque containers to prevent light from destroying riboflavin. refrigerate fruits and vegetables to slow...
36. All are considered antioxidants except: a vitamin A b. vitamin C c. selenium d. vitamin D 37. Which of the following foods does not contribute a significant amount of beta-carotene? a. pineapple b. sweet potato c. mango d. spinach volls e. squash vode odoo pinto 38. All are risk factors associated with osteoporosis except: a. advanced age b. female gender ooo doo od viso c. thinness or weight loss dolori oldusloa 10d d. being overweight e. tobacco use it...
Which of the following is/are a general feature(s) of vitamins? SELECT ALL THAT APPLY They are organic They are often found in an inactive "provitamin" form They are usually required in relatively small amounts. They can be both essential and harmful. Previous Next > 18 0 1 ? di 9 AS ? LWE MacBook Pro Why are vegans at risk of developing a vitamin B12 deficiency? Vegetarian diets may provide insufficient amounts of B12. Vegetarian diets inhibit absorption of the...
Fat soluble vitamins have all the following characteristics except: They are organic They provide energy Are absorbed into the lymph system O Are stored in large quantities Multiple Choice: Fat soluble vitamins have all the following characteristics except: They are organic They are dependent on fat intake Are absorbed into the lymph system Are vulnerable to cooking losses are not toxic but may cause yellowing of the palms and soles when consumed in large quantities. is considered a vitamin as...
1.Which vitamins play a role in bone health? A. Vitamin E and Vitamin K B. Vitamin D and carotenoids C.Vitamin D and Vitamin K D.Vitamin E and carotenoids E.Vitamin D and vitamin E 2.Too much of which vitamin can result in birth defects? A. Carotenoids B. Vitamin D C.Vitamin E D.Vitamin A E.Vitamin K 3.What vitamin plays a key role in both blood clotting and bone formation? A. Vitamin D B.Vitamin K C.Vitamin A D.Vitamin E 9.What choice correctly matches...
Vitamin D is converted to its active form by the fat tissue and liver. kidneys and liver. skin and small intestine. skin and liver. small intestines and kidneys. Question 13 0 / 1 pts Which list contains only vitamins that do NOT function as coenzymes in energy metabolism? vitamin B6 and vitamin C choline and vitamin C biotin, pantothenic acid, riboflavin niacin, vitamin B6, folate thiamin, riboflavin, niacin UnansweredQuestion 14...
Humans and guinea pigs are among the few species that can't synthesize A. ascorbic acid B. pantothenic acid C. thiamin D. riboflavin 2.A good source of beta carotene is A. mango B. sweet potato C. broccoli D. all the above 3.Berberi is the deficiency in what? A. niacin B. riboflavin C. thiamin D. folate 4.Which vitamin can only be found in animal foods? A. B6 B. B12 C. C D. B2 5.A deficiency of niacin results in A. pellagra. B....