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Secondary structure of proteins refers t...

Secondary structure of proteins refers to

A

sequence of amino acids in polypeptide chain

B

bonds between alternate polypeptide chains

C

folding patterns of polypeptide chain

D

bonding between `NH_(3)^(+)` and `COO^(-)` of two peptides.

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The correct Answer is:
To solve the question regarding the secondary structure of proteins, we need to analyze the provided options and understand the definition of secondary structure in proteins. ### Step-by-Step Solution: 1. **Understanding Secondary Structure**: - The secondary structure of proteins refers to the local folding patterns of the polypeptide chain. This includes structures such as alpha-helices and beta-sheets, which are stabilized by hydrogen bonds. 2. **Evaluating the Options**: - **Option A**: "Sequence of amino acid in polypeptide chain" - This describes the primary structure of proteins, not the secondary structure. So, this option is incorrect. - **Option B**: "Bonds between alternate polypeptide chains" - This refers to interactions between different polypeptide chains, which is more related to quaternary structure. Hence, this option is also incorrect. - **Option C**: "Folding patterns of polypeptide chain" - This accurately describes the secondary structure, as it involves the specific arrangements like alpha-helices and beta-sheets. This option is correct. - **Option D**: "Bonding between NH3+ and COO- of two peptides" - This describes ionic interactions and is not related to the secondary structure. Therefore, this option is incorrect. 3. **Conclusion**: - After evaluating all the options, the correct answer is **C: Folding patterns of polypeptide chain**. ### Final Answer: The secondary structure of proteins refers to **C: Folding patterns of polypeptide chain**. ---
To solve the question regarding the secondary structure of proteins, we need to analyze the provided options and understand the definition of secondary structure in proteins. ### Step-by-Step Solution: 1. **Understanding Secondary Structure**: - The secondary structure of proteins refers to the local folding patterns of the polypeptide chain. This includes structures such as alpha-helices and beta-sheets, which are stabilized by hydrogen bonds. 2. **Evaluating the Options**: ...
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