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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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A rubbery secreted matrix or proteoglycans and collagen surrounds living cells in _______.

  1. a. bone
  2. b. cartilage
  3. c. adipose tissue
  4. d. blood

Summary Introduction

Introduction: The body tissues contain a group of specialized cells which can organize as organs. A human body involves 4 main types of tissues- Muscle tissue, connective tissue, epithelial tissue, and nervous tissue. Connective tissues help to connect the tissues with one another. The cells or the fibroblasts mostly secrete an extracellular matrix which is rich in polysaccharides and strands of elastin and collagen. The connective tissue can be classified into two-loose and dense connective tissues. The cartilage, adipose tissue, bone tissue, and blood together form the specialized connective tissues.

Explanation

Reason for the correct answer:

One of the specialized connective tissue called as cartilage is mostly found in vertebrates. They consist of certain specialized cells called chondrocytes that are specialized to produce a rubbery and collagen extracellular matrix, plenty of ground substances that are rich in elastin fibers and proteoglycans.

Option b. is given as “cartilage”.

The cartilage is the specialized connective tissue that surrounds the living cells by a rubbery secreted matrix of proteoglycans and collagen.

Hence the correct answer is option b.

Reason for the incorrect answer:

Option a. is given as, “bone”.

Bones are the specialized connective tissue that surrounds the living cells by a collagen-rich matrix hardened by phosphorus and calcium and not by the proteoglycan and collagen...

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