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

A. Sebum

B. Water

C. Lysozymes

D. Urea

Answer Explanation:

Urea is a nitrogenous waste product that is produced when the liver breaks down proteins and amino acids. It is then excreted from the body via sweat.

Therefore, the Correct Answer is D.

Q #1: Which of the following is correct regarding the pH scale?

A. A substance with a pH of 3 is two times more alkaline than a substance with a pH of 4

B. A substance with a pH of 3 is 10 times more acidic than a substance with a pH of 4

C. A substance with a pH of 3 is two times more acidic than a substance with a pH of 4

D. A substance with pH of 3 is 10 times more alkaline than a substance with a pH of 4

Answer Explanation

The pH scale is logarithmic, indicating that each whole number change on the pH scale represents a tenfold change in acidity or alkalinity. Therefore, a substance with a pH of 3 is 10 times more acidic than a substance with a pH of 4.
Q #2: Which of the following is an example of a biological macromolecule?

A. Nucleic acid, Protein

B. Monosaccharide

C. Amino and

D. Protein

Answer Explanation

Biological macromolecules are large organic molecules such as carbohydrates, lipids, nucleic acids, and proteins. They are built from smaller molecules, which are linked commonly by covalent bonds, and these can be broken down.
Q #3: Escherichia cell is plated on nutrient agar plates that each contain a different type of antibiotic. The shaded area represents growth of the bacteria. Which of the following plates contains bacteria that were most resistant to the antibiotic

A. A

B. B

C. C

D. D

Answer Explanation

This is the plate with the most growth despite the presence of antibiotic cover.

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

More Questions on TEAS 7 Science

Q #1: Which of the following is correct regarding the pH scale?

Answer Explanation

Q #2: Which of the following is an example of a biological macromolecule?

Answer Explanation

Q #3: Escherichia cell is plated on nutrient agar plates that each contain a different type of antibiotic. The shaded area represents growth of the bacteria. Which of the following plates contains bacteria that were most resistant to the antibiotic

Answer Explanation

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