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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem
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Iron is the ________ most often deficient in the diet.

  1. a. macronutrient
  2. b. vitamin
  3. c. mineral
  4. d. enzyme

Summary Introduction

Introduction: Any naturally occurring inorganic substances are termed as minerals. Iron is the most important mineral that provides numerous significant roles in the body. It acts as the major component of hemoglobin (red blood cells) that carries oxygen and transports it throughout the body. Iron should be obtained from the diet, so it is  known as the essential nutrient. A daily dietary intake of 18 mg of iron is recommended. Iron deficiency in the body causes anaemic condition.

Explanation

Reason for the correct answer:

Inorganic minerals are the essential nutrients that are obtained through the diet. Such an essential nutrient is iron whose shortage in supply through food leads to deficiency disorder, such as anemia. Regular supplement of iron is required through the diet in the forms of red meats, dry fruits and nuts, green vegetables, oily fishes and so on.

Option c. is given as “mineral”. Minerals are the inorganic elements that may act as nutrients and perform different roles in the cell. Iron is an essential mineral.

Hence, the correct answer is option c.

Reasons for the incorrect answers:

Option a...

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