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Which one of the following true...

Which one of the following true

A

One gene one protein

B

One gene one polypeptide

C

One gene many polypeptide

D

All of the above

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Text Solution:** 1. **Understanding Genes and Proteins**: - Genes are segments of DNA that encode information for the synthesis of proteins. Each gene is responsible for producing a specific polypeptide chain, which ultimately folds into a functional protein. 2. **Definition of Polypeptides**: - Proteins are made up of long chains of amino acids linked together by peptide bonds. These chains are referred to as polypeptides. The term "polypeptide" indicates that multiple amino acids (poly) are joined together (peptide). 3. **One Gene, One Polypeptide**: - The principle of "one gene, one polypeptide" suggests that each gene corresponds to a single polypeptide chain. This means that regardless of how many times a gene is expressed, it will always produce the same polypeptide. 4. **Why One Gene, One Protein is Incorrect**: - The statement "one gene, one protein" is misleading because a single protein can be composed of multiple polypeptides. For example, certain proteins require several polypeptide chains to function, and these chains can be encoded by different genes. Therefore, it is not accurate to say that one gene corresponds to one protein. 5. **Conclusion**: - Based on the explanation, the correct statement is "one gene, one polypeptide." This accurately reflects the relationship between genes and the polypeptides they encode. **Final Answer**: The correct option is "one gene, one polypeptide." ---

**Step-by-Step Text Solution:** 1. **Understanding Genes and Proteins**: - Genes are segments of DNA that encode information for the synthesis of proteins. Each gene is responsible for producing a specific polypeptide chain, which ultimately folds into a functional protein. 2. **Definition of Polypeptides**: - Proteins are made up of long chains of amino acids linked together by peptide bonds. These chains are referred to as polypeptides. The term "polypeptide" indicates that multiple amino acids (poly) are joined together (peptide). ...
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