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Primary protein structure determines whi...

Primary protein structure determines which of the following additional levels of protein organization?

A

`2^(@)`

B

`3^(@)`

C

`2^(@),3^(@),4^(@)`

D

`4^(@)`

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding Primary Protein Structure:** - The primary structure of a protein refers to the linear sequence of amino acids linked together by peptide bonds. This sequence is crucial as it determines the protein's unique characteristics. 2. **Role of Primary Structure in Higher Levels of Protein Organization:** - The primary structure dictates how the protein will fold into higher-order structures. This folding is influenced by the chemical properties of the amino acids in the sequence. 3. **Formation of Secondary Structure:** - The interactions between the amino acids in the primary structure lead to the formation of secondary structures, such as alpha-helices and beta-pleated sheets. These structures arise from hydrogen bonding between the backbone atoms of the amino acids. 4. **Formation of Tertiary Structure:** - As the protein continues to fold, the secondary structures interact with each other, leading to a three-dimensional shape known as the tertiary structure. This structure is stabilized by various interactions, including hydrogen bonds, ionic bonds, and hydrophobic interactions. 5. **Formation of Quaternary Structure:** - In some proteins, multiple polypeptide chains come together to form a quaternary structure. The arrangement and interactions of these chains are also determined by the primary structure. 6. **Conclusion:** - Therefore, the primary protein structure determines the secondary, tertiary, and quaternary levels of protein organization. **Final Answer:** The primary protein structure determines the secondary, tertiary, and quaternary levels of protein organization. ---
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