Which of the following substances is excreted by the sweat glands in response to the breakdown of proteins and the formation of ammonia?

Rationale

Urea is excreted by the sweat glands in response to the breakdown of proteins and the formation of ammonia.

Urea is a waste product formed from the breakdown of proteins and is excreted through sweat glands, among other excretory pathways. It helps to eliminate excess nitrogen from the body, which is a byproduct of protein metabolism.

A (Lysozymes) YOUR ANSWER

Lysozymes are enzymes that play a crucial role in breaking down bacterial cell walls and are primarily found in various secretions such as saliva and tears. They are not directly involved in protein breakdown or ammonia formation and are not excreted through sweat glands.

B (Water) YOUR ANSWER

While water is a major component of sweat, it is not specifically a product of protein breakdown or ammonia formation. Water helps in regulating body temperature but does not serve as a waste product resulting from protein metabolism.

C (Urea) CORRECT

Urea is produced in the liver from ammonia, which is a product of protein metabolism. It is then excreted by the kidneys and can also be found in sweat as a means of eliminating excess nitrogen from the body. This makes urea the correct answer regarding substances related to the breakdown of proteins.

D (Sebum) YOUR ANSWER

Sebum is an oily substance produced by sebaceous glands that helps to lubricate and protect the skin. It is not a waste product resulting from protein breakdown and is not involved in the excretion of nitrogenous wastes like urea.

Conclusion

In summary, urea is the primary waste product excreted in response to the breakdown of proteins and the formation of ammonia. Unlike lysozymes, water, or sebum, urea specifically serves as a means for the body to eliminate nitrogenous waste, making it essential for maintaining metabolic balance.

Which of the following substances is excreted by the sweat glands in response to the breakdown of proteins and the formation of ammonia?

Urea is excreted by the sweat glands in response to the breakdown of proteins and the formation of ammonia.

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