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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: A represents atomic mass and 2 represents an atomic number, which of the following describes an atom after a proton is emitted?

    A. A-1,2-1

    B. A-1,2+1

    C. A,2-1

    D. A+1,2-1

    Answer Explanation

    This is because when a proton is emitted from an atom, the atomic mass decreases by one unit, and the atomic number decreases by one unit. The atomic mass is the sum of protons and neutrons in the nucleus, and the atomic number is the number of protons in the nucleus. Therefore, if a proton is lost, both numbers decrease by one.

  • Q #2: A strand of DNA bases reads 5' AGCTAGCGT 3, what would the sequence of bases on the contemporary strand read?

    A. 3' STOGUTCGCU

    B. 5' AGCTAGCGT S

    C. 3' SUCGAUCICA

    D. 3' TCGATCGCA 5'

    Answer Explanation

    The complementary strand of DNA is formed by pairing complementary bases. In DNA, adenine (A) pairs with thymine (T), and guanine (G) pairs with cytosine (C). Additionally, RNA uses uracil (U) instead of thymine.

    Given the sequence 5' AGCTAGCGT 3', the complementary strand would read:

    3' TCGATCGCA 5'

  • Q #3: Which of the following distinguishes endocrine and exocrine glands from another?

    A. The presence or absence of ducts

    B. The effect their secretions have on the target cells

    C. The biochemistry of their secretions

    D. The presence or absence of nerve innervation

    Answer Explanation

    Exocrine glands secrete their products into ducts that carry them to the target organs. In contrast, endocrine glands secrete their products directly into the bloodstream, which carries them to target cells throughout the body.