MCQ on Peptide Bond: Characteristics and Structure




A peptide bond is a covalent linkage between the carboxyl group of one amino acid and the amino group of another. Formed during protein synthesis through dehydration synthesis, it creates a polypeptide chain, crucial for the structure and function of proteins in living organisms. This is an MCQ on Peptide Bond Structure and Characteristics.

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1. 
A peptide bond forms between which two functional groups in amino acids?

2. 
Peptide bonds are covalent bonds that link:

3. 
What type of reaction forms a peptide bond?

4. 
During the formation of a peptide bond, which atom from the carboxyl group and which atom from the amino group combine to create water?

5. 
In a dipeptide, how many peptide bonds are present?

6. 
What is the key structural feature that defines a peptide bond?

7. 
Which of the following statements is true regarding the directionality of a peptide bond?

8. 
The cleavage of a peptide bond is typically catalyzed by:

9. 
Which of the following is a characteristic of peptide bonds in proteins?

10. 
The partial double-bond character of the peptide bond results in:

11. 
The unique chemical properties of the peptide bond play a critical role in:

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