MCQ on Secondary Structure of Proteins




The secondary structure of a protein involves local folding patterns, primarily α-helices and β-sheets, stabilized by hydrogen bonds between amino acids in the polypeptide chain. It contributes to the three-dimensional shape of the protein and influences its function. This is an MCQ on Secondary Structure of Proteins.

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1. 
The secondary structure of a protein is primarily stabilized by:

2. 
In the alpha helix secondary structure, the backbone of the polypeptide chain forms a:

3. 
What type of secondary structure involves a ribbon-like, pleated arrangement of the polypeptide chain with hydrogen bonds between adjacent strands?

4. 
The hydrogen bonds that stabilize the secondary structure of proteins typically form between:

5. 
Which of the following amino acids is known for its ability to disrupt the regular structure of the alpha helix due to its proline ring?

6. 
Which of the following statements is true regarding the secondary structure of proteins?

7. 
The secondary structure of a protein is mainly determined by:

8. 
The alpha-helix and beta-sheet structures are found in various proteins. What feature distinguishes these secondary structures from one another?

9. 
What is the most common secondary structure motif found in globular proteins?

10. 
The secondary structure of a protein is important because it provides a foundation for the formation of:

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