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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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Human milk contains _______.

  1. a. sugars
  2. b. lysozyme
  3. c. antibodies
  4. d. all of the above

Summary Introduction

Introduction: Mammals are named after the presence of mammary glands in females. The mammary glands are the glands present in the mammals that secrete milk to feed young ones after birth. It provides necessary nutrition and develops immunity against pathogens.

Explanation

Reasons for the correct statement:

Post-delivery, the hormone prolactin is secreted by the anterior pituitary, which helps to secrete milk from the mammary glands. The milk contains sugars, lysozyme, and immunoglobulins. The milk is the only source of food until the end of the infant stage. Lysozyme is an antibacterial enzyme. The immunoglobulin A, an antibody, present in the milk helps to develop immunity in the growing infant.

Option d. is given as “all of the above”

As human milk contains sugars, lysozyme, and antibodies, option d. is correct.

Reasons for the incorrect statements:

Option a. is given as “sugars”...

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