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6 September, 01:28

Which is composed of amino acids and determines all the structures and functions of organisms?

a. DNA

b. ribosome

c. mRNA

d. protein

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Answers (1)
  1. 6 September, 03:53
    0
    d. protein. Amino acid is the simplest subunit of proteins. These chains of amino acids are linked together by a peptide bond. Protein is an essential component of red blood cells, antibodies and nearly all tasks of cellular life.
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