How many amide bonds are there in the structure below? a) 6 b) 5 c) 4 d) 3 Please see figure

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How many amide bonds are there in the structure below?

a) 6

b) 5

c) 4

d) 3

Please see figure

**Chemical Structure of a Peptide**

This image represents the structural formula of a peptide, which consists of a sequence of several amino acids linked through peptide bonds. The structure shows a diverse array of functional groups:

1. **Phenyl Ring**: The structure contains two aromatic phenyl rings, which are hexagonal and consist of alternating double bonds.

2. **Functional Groups**:
   - **Hydroxyl groups (-OH)**: Highlighted in red at the end of a side chain and as part of the carboxyl group.
   - **Amide groups (C=O-NH)**: Present as parts of the peptide bonds, shown with the carbonyl (C=O) in red and the amine (NH) in blue.
   - **Carboxyl groups (COOH)**: Shown in red to indicate oxygen atoms, attached to the peptide chain.
   - **Amino groups (NH2)**: Displayed in blue in the side chains indicating nitrogen atoms.

3. **Side Chains**: The peptide structure displays various side chains attached to the central carbon atoms of the amino acids.

4. **Peptide Bonds**: These are formed between the amino acids, linking them in a specific sequence. The peptide bonds are represented by the –C=O-NH– linkage.

The diagram is a detailed depiction of the molecular structure of a peptide, demonstrating the connectivity and arrangement of atoms. Understanding the structure of peptides is crucial in the field of biochemistry, where these molecules play key roles in biological functions and processes.
Transcribed Image Text:**Chemical Structure of a Peptide** This image represents the structural formula of a peptide, which consists of a sequence of several amino acids linked through peptide bonds. The structure shows a diverse array of functional groups: 1. **Phenyl Ring**: The structure contains two aromatic phenyl rings, which are hexagonal and consist of alternating double bonds. 2. **Functional Groups**: - **Hydroxyl groups (-OH)**: Highlighted in red at the end of a side chain and as part of the carboxyl group. - **Amide groups (C=O-NH)**: Present as parts of the peptide bonds, shown with the carbonyl (C=O) in red and the amine (NH) in blue. - **Carboxyl groups (COOH)**: Shown in red to indicate oxygen atoms, attached to the peptide chain. - **Amino groups (NH2)**: Displayed in blue in the side chains indicating nitrogen atoms. 3. **Side Chains**: The peptide structure displays various side chains attached to the central carbon atoms of the amino acids. 4. **Peptide Bonds**: These are formed between the amino acids, linking them in a specific sequence. The peptide bonds are represented by the –C=O-NH– linkage. The diagram is a detailed depiction of the molecular structure of a peptide, demonstrating the connectivity and arrangement of atoms. Understanding the structure of peptides is crucial in the field of biochemistry, where these molecules play key roles in biological functions and processes.
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