The number of amino acids required to form a tripeptide bond are

Options

A. (a) Seven
B. (b) Two
C. (c) Six
D. (d) Four

Answer

To determine the number of amino acids required to form a tripeptide bond, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Peptide Bonds**:
- A peptide bond is formed between two amino acids. When two amino acids link together, they create one peptide bond.

2. **Identifying the Relationship**:
- If we have 'n' amino acids, the number of peptide bonds formed is given by the formula:
\[ \text{Number of peptide bonds} = n - 1 \]
- This means that for every additional amino acid, one additional peptide bond is formed.

3. **Applying the Formula**:
- In this case, we are asked about a tripeptide bond, which means there are 3 peptide bonds.
- Using the formula, we can set up the equation:
\[ 3 = n - 1 \]

4. **Solving for 'n'**:
- Rearranging the equation gives us:
\[ n = 3 + 1 = 4 \]
- Therefore, 4 amino acids are required to form 3 peptide bonds.

5. **Conclusion**:
- The number of amino acids required to form a tripeptide bond is **4**.

### Final Answer:
The number of amino acids required to form a tripeptide bond is **4**.

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