
Concept explainers
(a)
Interpretation: The validation of the pairing of calcitriol and vitamin A has to be stated.
Concept introduction: Vitamin A is a fat soluble vitamin. Vitamin A is found in eyes. It participates in the development of sperm. Calcitriol is the precursor of vitamin D. Vitamin D can be taken from sunlight.
(b)
Interpretation: The validation of the pairing of retinoic acid and vitamin D has to be stated.
Concept introduction: Retinoic acid is the precursor of vitamin A. Retinoic acid is formed from retinal. Vitamin A helps in growth and reproduction, vision. Vitamin D is obtained from sunlight. It helps in strengthing of bones.
(c)
Interpretation: The validation of the pairing of phylloquinone and vitamin E has to be stated.
Concept introduction: Phylloquinone is also known as vitamin K1. Vitamin K helps in blood clotting and the formation of prothrombin. Vitamin E is obtained from vegetable oil, seeds and nuts. Vitamin E functions as an anti-oxidant in the human body.
(d)
Interpretation: The validation of the pairing of tocopherol and vitamin K has to be stated.
Concept introduction: Vitamin K exists in different forms but all the forms have methylated napthoquinone structure. Some of the forms of Vitamin K are vitamin

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Chapter 21 Solutions
GENERAL,ORGANIC,+BIO.CHEM.-MINDTAP
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- Draw the expected reactant R28. Cu(II) CO₂Mearrow_forwardPpplllleeeaaasssseeee helllppp wiithhh thisss Organic chemistryyyyyy I talked like this because AI is very annoyingarrow_forwardName the family to which each organic compound belongs. The first answer has been filled in for you. compound CH₂ || CH3-C-NH2 0 ။ CH3-C-CH₂ CH=O–CH=CH, CH₂ HO CH2-CH2-CH-CH3 family amine Darrow_forward
- 1b. Br LOHarrow_forwardI would like my graphs checked please. Do they look right? Do I have iodine and persulfate on the right axis ?arrow_forwardReaction Fill-ins Part 2! Predict the product(s) OR starting material of the following reactions. Remember, Hydride shifts are possible if/when a more stable carbocation can exist (depending on reaction mechanism)! Put your answers in the indicated boxes d. d. ง HCIarrow_forward
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