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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?

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.

More Questions on TEAS 7 Science

  • Q #1: 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 #2: Which of the following molecules contains the fewest covalent bonds?

    A. Chlorine molecule

    B. Ammonia molecule

    C. Methane molecule

    D. Water molecule

    Answer Explanation

    A chlorine molecule contains the fewest covalent bonds among the options provided. It consists of two chlorine atoms bonded together by a single covalent bond. Compared with the other options, ammonia has three covalent bonds, methane has 4 while water has 2.

     

  • Q #3: Use the table below to answer the question   Object Mass Time of Fall A 5.0g 2.0 sec B 5.0g 1.0 sec C 30.g 0.5 sec D 35.0g 1.5 sec   Which of the following conclusions is supported by the data?

    A. Object A and B fall at the same rate

    B. The time of fall is independent of the mass of the object

    C. The greater the mass of an object, the faster it will fall

    D. Air resistance is greater for A than for B

    Answer Explanation

    Objects A and B have the same and are subjected to the same gravitational pull. However, object B falls faster than A. This is due to a greater air resistance for A than B.