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The function of DNA in an organism is...

The function of DNA in an organism is

A

To assit in the synthesis of RNA molecule

B

To store information of heredity characteristics

C

To assist in the synthesis of proteins and polypeptides

D

All of these

Text Solution

AI Generated Solution

The correct Answer is:
To determine the function of DNA in an organism, we can analyze the provided options step by step. ### Step 1: Understanding DNA's Role in RNA Synthesis - **Explanation**: DNA serves as a template for the synthesis of RNA through a process called transcription. During transcription, the information encoded in DNA is copied into messenger RNA (mRNA), which then carries the genetic information needed for protein synthesis. - **Conclusion**: Option 1 is correct. ### Step 2: Storing Hereditary Information - **Explanation**: DNA contains the genetic blueprint of an organism. It carries the hereditary information that is passed from parents to offspring, determining traits and characteristics. - **Conclusion**: Option 2 is correct. ### Step 3: Assisting in Protein and Polypeptide Synthesis - **Explanation**: After RNA is synthesized, it is translated into proteins. DNA indirectly assists in protein synthesis by providing the instructions for the sequence of amino acids in proteins, which are essential for various biological functions. - **Conclusion**: Option 3 is correct. ### Step 4: Evaluating All Options - **Explanation**: Since all three functions of DNA have been confirmed as correct, we can conclude that all options provided in the question are valid. - **Conclusion**: Therefore, Option 4, which states that all of these functions are correct, is also correct. ### Final Answer The function of DNA in an organism is **Option 4: all of these**. ---
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