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Multiple Choice
Which of the following statements about collagen is true?
A
Collagen is a fibrous elastic material that allows certain connective tissues to resume their original length and shape upon being stretched.
B
Collagen is a protein designed to help tissues retain fluids for tissue cushioning.
C
Collagen is a substance that forms delicate networks around blood vessels.
D
Collagen is a fibrous protein that provides tensile strength to certain connective tissues.
E
Collagen is a gel-like substance that is found in the extracellular matrix of certain connective tissues.
Verified step by step guidance
1
Understand the role of collagen in the body: Collagen is a structural protein found in various connective tissues, providing strength and support.
Differentiate between collagen and other proteins: Collagen is not elastic like elastin, which allows tissues to stretch and return to their original shape.
Recognize the function of collagen: It provides tensile strength, meaning it helps tissues withstand stretching forces without breaking.
Identify the correct statement: Collagen is not primarily involved in fluid retention or forming delicate networks; its main role is providing tensile strength.
Conclude with the correct understanding: Collagen is a fibrous protein that provides tensile strength to certain connective tissues, distinguishing it from other proteins with different functions.