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What form of vitamin A is required for rhodopsin synthesis?

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  • Post Date 2018-11-05T12:00:57+00:00
  • Post Category Essays

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What form of vitamin A is required for rhodopsin synthesis?

NTR 5206 Assignment 1: Short-Answer Nutrition Questions

INSTRUCTIONS:

Student Name:

NTR 5206 Assignment 1: Short-Answer Questions (Maximum point value = 20 points)

Instructions: Please download this Word document and complete the “Answer:” portion of each question. Post your completed document in the appropriate Dropbox folder. Please note that none of the questions require more than one or a few words or a sentence. Your answers should be accurate and concise, no need to list references for the answers.

Certain cuisines have dishes made of animal liver. What is the predominant form of vitamin A found in the liver? (1 pt)

Color of red tomatoes comes from a carotenoid called _______, which is a known antioxidant. (1 pt)

Carrots and spinach are both rich in beta-carotene. Why does spinach appear green, rather than orange like carrots? (2 pts)

After dietary vitamin A is taken into enterocytes, it will be packed into _______ (a type of lipoprotein) which first enter _________ and then into general circulation. (2 pts)

Please list two protein carriers of retinol that are synthesized in the liver. (2 pts)

What form of vitamin A is required for rhodopsin synthesis? (1 pt)

The two forms of vitamin A that regulate gene expression are __________ and _________. (2 pts)

What is the UL of vitamin A for a 15 year-old boy? (1 pt)

One of your clients is a 22 year-old woman who wants to treat her severe acne before her wedding one month from now. She and her fiancé plan to have a baby after getting married ASAP. She heard that a medication called Accutane is really effective in treating acne and wants to go to her doctor to get a prescription.  As her nutritionist, what would you tell her and why? (2 pts)

Another client of yours is a vegan who is borderline vitamin A deficient and refuses to take vitamin A supplements.

What foods would you recommend to increase her vitamin A intake? Why. (2 pts)

Would you recommend decent amount of dietary fat to enhance vitamin A bioavailability? Why? (2 pts)If the client has protein deficiency, how do you expect it to impact vitamin A status? Why? (2 pts)

CONTENT:

Student Name: NTR 5206 Assignment 1: Short-Answer Questions (Maximum point value = 20 points) Instructions: Please download this Word document and complete the “Answer:” portion of each question. Post your completed document in the appropriate Dropbox folder. Please note that none of the questions require more than one or a few words or a sentence. Your answers should be accurate and concise, no need to list references for the answers. Certain cuisines have dishes made of animal liver. What is the predominant form of vitamin A found in the liver? (1 pt) An

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