The Protein That Makes Up About a Third of the Total

question 7

Multiple Choice

The protein that makes up about a third of the total protein mass in animals is:

• A) β-keratin.
• B) collagen.
• C) hemoglobin.
• D) myoglobin.
• E) α-keratin.

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Definitions:

Vitreous Humor

A transparent, gel-like substance filling the space between the lens and the retina of the eye, helping it maintain shape and optical properties.

Cornea

The clear, dome-shaped surface that covers the front of the eye and contributes to the eye's focusing power.

Sclera

The tough protective outer layer of the eye, contributing to the eye's structural integrity and being crucial for vision.

Mechanoreceptor

A sensory receptor that responds to mechanical pressure or distortion, involved in senses like touch and hearing.