A provitamin - Study guides, Class notes & Summaries

Final Exam FSHN 360 Study Guide Solutions fat soluble vvitamins - Ans:-structurally similar to sterols or FA micells, passive diffusion, chylomicrons in circulation circulatory transporters no membrane transporter stored/toxic/don't need daily toxicity is only really true for Vitamin A and Vitamin D to some extent vitamin A - Ans:-main form: all-trans retinol can also be oxidized to retinal (ketone) or oxidized once more to retinoic acid sources of vitamin A - Ans:-animal- preformed...

fat soluble vitamins - Answer A, D, E, K -insoluble in water, more stable, require bile for digestion, absorbed into lymph, stored in liver & adipose tissue, needed in periodic doses, more likely to be toxic, absorption enhanced by fat water soluble vitamins - Answer C & B complex - absorbed into blood, excreted by the kidneys in urine, need in frequent small doses, less likely to be toxic, less stable to air and light vitamin A - Answer retinol- fully performed - fatty animal s...

BIOD 121 (portage): Module 4 Exam Questions And Answers (Verified And Updated) essential vitamins 13 vitamins that animal cells need but can't synthesize found in both plant and animal sources vitamins produced by the body vitamin K and biotin (gut flora) vitamin D (skin) vitamin A (from beta carotene) niacin (tryptophan) two criteria for vitamins 1. must be consumed in the diet to maintain health. 2. symptoms of deficiency occur in its absence enrichment adding nutrien...

BIOD 121 Portage module 4 Latest 2024 100% Pass essential vitamins 13 vitamins that animal cells need but can't synthesize found in both plant and animal sources vitamins produced by the body vitamin K and biotin (gut flora) vitamin D (skin) vitamin A (from beta carotene) niacin (tryptophan) two criteria for vitamins 1. must be consumed in the diet to maintain health. 2. symptoms of deficiency occur in its absence enrichment adding nutrients back that have been lost to pro...

Vitamin - essential organic compounds needed in small amounts Divided into 2 groups based on - solubility in water or fat Water soluble vitamins - B and C Fat soluble vitamins - A, D, E, K Food groups that lack B12? - Grains, vegetables, fruits Food groups low in vitamin C? - Grains, dairy, protein Vitamin absorption occurs mainly in - the small intestine Compound that's the basis for the RDA for vitamin E? - Alpha-tocopherol because it's the only form of vitamin E that can be used by ...

MODULE 4 (BIOD 121) FINAL EXAM WITH COMPLETE SOLUTIONS 2023- 2024 Vitamins - CORRECT ANSWER-(vita- means life and -amine means nitrogen containing) are organic compounds that the body needs in small amounts What is obtained through the diet and help regulate and support a variety of processes related to digestion, absorption, metabolism, body regulations?? - CORRECT ANSWER-vitamins what is the main overall function of vitamins? - CORRECT ANSWER-to regulate and support what are th...

RD Exam Prep: Vitamin and Minerals Questions and Answers 100% Pass Vitamin A - Answer- Properties/Functions: Group of fat-soluble retinoids; immune function, skin, essential for vision and reproduction, delayed formation of cataracts; 2 forms available in the diet including preformed vitamin A (retinol) and provitamin A (carotenoids) DRI: Males 900mcg/d and Females 700mcg/d Deficiencies: Nyctalopia (reversible night-blindness), vision loss, dry eyes, Bitot's spots (keratin build-up in e...

HLTH 330 CH 7, 8 & 9 bioavailability - correct answer the extent to which the body can absorb and use a nutrient provitamin (vitamin precursor) - correct answer a compound that can be converted into the active form of a vitamin in the body pellagra - correct answer a disease resulting from niacin deficiency, which causes dermatitis, diarrhea, dementia, and if not treated, death niacin - correct answer B vitamin that forms coenzymes essential for glucose metabolism niacin equivalents...

All Domains Jean Inman Questions with Explanations of Answers Which amino acids must be present in a parenteral solution? a. valine, leucine, glycine, alanine b. tryptophan, phenylalanine, threonine, isoleucine c. phenylalanine, methionine, arginine, tyrosine d. lysine, glutamic acid, alanine, glycine - ANS- b. tryptophan, phenylalanine, threonine, isoleucine A parenteral solution requires adequate supplementation of all essential amino acids. Essential amino acids = those that can...

RD Exam Prep: Vitamin and Minerals Questions and Answers 100% Pass Vitamin A - Answer- Properties/Functions: Group of fat-soluble retinoids; immune function, skin, essential for vision and reproduction, delayed formation of cataracts; 2 forms available in the diet including preformed vitamin A (retinol) and provitamin A (carotenoids) DRI: Males 900mcg/d and Females 700mcg/d Deficiencies: Nyctalopia (reversible night-blindness), vision loss, dry eyes, Bitot's spots (keratin build-up in e...