The Question is from neet-botany , and it was created by the author D VINOD

Question

Primary structure of proteins is due to the presence of

D VINOD · Accepted Answer

## CORE INFORMATION
✓ **Answer**: A
## CONCEPT FRAMEWORK
	**Primary Concept**: Primary structure of proteins
	**Related Topics**: Chemical bonds, Protein structure levels
	**Prerequisites**: Basic knowledge of protein structure and chemical bonds
## SOLUTION PATHWAY
**Given Information**:
	The question asks about the bond responsible for the primary structure of proteins.
**Method & Steps**:
	1. Recall the definition of primary protein structure: the linear sequence of amino acids linked by peptide bonds.
	2. Identify the bond responsible for linking amino acids in the primary structure: peptide bond.
**Final step**:
	The correct answer is A, peptide bond
 ## OPTION ANALYSIS
[A] ✓: Peptide bonds are the specific covalent bonds that link amino acids to form the primary structure of proteins.
[B] :x: Covalent bonds are a general type of bond and other covalent bonds such as disulphide bonds contribute to the tertiary structure
[C] :x: Disulphide bonds are responsible for the tertiary structure of proteins, not the primary
[D] :x: Ionic bonds are involved in tertiary structure and interactions between proteins, not primary structure.
 ## LEARNING AIDS
	**Common Mistakes**:
		1.[Error 1]: Confusing different types of chemical bonds. Distinguish between peptide bonds, covalent bonds, disulphide bonds and ionic bonds.
		2.[Error 2]: Confusing the levels of protein structure. Remember primary structure is a linear sequence of amino acids linked by peptide bonds
	**Quick Tips**:
		1.[Helpful shortcut]: Remember that primary structure is always about the backbone of the protein, which is formed by peptide bonds.
		2.[Memory aid]: Think of the 'primary' structure as the first 'peptide' bond linked sequence.

D VINOD · Answer

The correct Option is "Peptide bond"

D VINOD · Answer

Covalent bond

D VINOD · Answer

Disulphide bond

D VINOD · Answer

Ionic bonds

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