Which one of the following is WRONGLY matched ?

Options

A. Transcription - writing information from DNA to mRNA
B. Translation- using information in to make protein
C. Repressor protein - Binds to operator to stop enzyme synthesis
D. Operon - structural genes , operator , promoter and intron

Answer

To solve the question "Which one of the following is WRONGLY matched?", we will analyze each option provided and determine if the match is correct or incorrect.

### Step-by-Step Solution:

1. **Option 1: Transcription - Writing information from DNA to mRNA**
- **Analysis**: This option is correctly matched. Transcription is the process where the information in DNA is copied into messenger RNA (mRNA).
- **Conclusion**: This option is correct.

2. **Option 2: Translation - Using information to make protein**
- **Analysis**: This option is also correctly matched. Translation is the process where ribosomes synthesize proteins based on the information carried by mRNA.
- **Conclusion**: This option is correct.

3. **Option 3: Repressor Protein - Binds to the Operator to stop enzyme synthesis**
- **Analysis**: This option is correctly matched as well. A repressor protein binds to the operator region of DNA to inhibit the transcription of certain genes, thereby stopping enzyme synthesis.
- **Conclusion**: This option is correct.

4. **Option 4: Operon - Structure gene operator promoter and intron**
- **Analysis**: This option is incorrectly matched. An operon is a functional unit of DNA that includes structural genes, an operator, and a promoter. However, introns are non-coding sequences found within genes and are not part of the operon structure.
- **Conclusion**: This option is incorrect.

### Final Answer:
The wrongly matched option is **Option 4**: Operon - Structure gene operator promoter and intron.

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