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Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892

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BuyFindarrow_forward

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892
Textbook Problem

Which of the following is not an essential nutrient in humans?

a. vitamin B6

b. calcium

c. glycogen

d. linoleic acid

e. vitamin K

Summary Introduction

Introduction:

There are many nutrients that are important for body function but cannot be synthesized within the body. Such nutrients are called essential nutrients/minerals or molecules. Vitamins, essential fatty acids, and organic and inorganic minerals are examples of essential molecules.

Explanation

Justification for the correct answer:

Option (c) states that glycogen is a nonessential nutrient in humans. This is a correct statement as a nonessential nutrient can be synthesized within the body and is not required to be taken through external sources. Glycogen is synthesized in the liver and muscles of the human body. Hence, option (c) is correct.

Justification for the incorrect answers:

Option (a) states that vitamin B6 is a nonessential nutrient in humans. This is an incorrect statement as vitamins are essential nutrients for humans because the body cannot synthesize them and they need to be taken through external sources. Essential minerals are those that are important for the vital functions of the body but cannot be synthesized within the body and needs to supplemented through food. So, is an incorrect option.

Option (b) states that calcium is a nonessential nutrient in humans. This is an incorrect statement as calcium is an inorganic mineral whose requirement is species-specific...

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