Questions: Question 16 1 pts There are several levels of organization of protein molecules. The linear sequence of amino acids joined together by peptide bonds is the: primary structure quaternary structure secondary structure tertiary structure

Question 16 1 pts There are several levels of organization of protein molecules. The linear sequence of amino acids joined together by peptide bonds is the: primary structure quaternary structure secondary structure tertiary structure
Transcript text: Question 16 1 pts There are several levels of organization of protein molecules. The linear sequence of amino acids joined together by peptide bonds is the: primary structure quaternary structure secondary structure tertiary structure
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Solution

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The answer is the first one: primary structure.

Explanation for each option:

  • Primary structure: This refers to the linear sequence of amino acids in a protein, joined together by peptide bonds. It is the most basic level of protein structure.
  • Quaternary structure: This level of structure involves the assembly of multiple polypeptide chains into a single functional protein complex. It is not related to the linear sequence of amino acids.
  • Secondary structure: This refers to the local folding of the polypeptide chain into structures such as alpha-helices and beta-sheets, stabilized by hydrogen bonds. It is a higher level of organization than the primary structure.
  • Tertiary structure: This level of structure involves the overall three-dimensional folding of a single polypeptide chain, including interactions between secondary structural elements. It is also a higher level of organization than the primary structure.

Summary: The linear sequence of amino acids joined together by peptide bonds is the primary structure of a protein.

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