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Name the nucleic acid in nucleolar organ...

Name the nucleic acid in nucleolar organizer which is involved in the synthesis of ribosomal RNA is

A

m-DNA

B

s-DNA

C

n-DNA

D

r-DNA

Text Solution

AI Generated Solution

The correct Answer is:
To answer the question "Name the nucleic acid in the nucleolar organizer which is involved in the synthesis of ribosomal RNA," we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Question**: The question is asking for a specific nucleic acid that is found in the nucleolar organizer and is responsible for the synthesis of ribosomal RNA (rRNA). 2. **Identify the Nucleolar Organizer**: The nucleolar organizer (NOR) is a chromosomal region that contains the genes necessary for the synthesis of rRNA. It plays a crucial role in the formation of ribosomes. 3. **Recognize the Types of Nucleic Acids**: The options provided are: - mDNA (mitochondrial DNA) - sDNA (single-stranded DNA) - nDNA (nuclear DNA) - rDNA (ribosomal DNA) 4. **Determine the Correct Nucleic Acid**: The nucleic acid that is specifically involved in the synthesis of rRNA is ribosomal DNA (rDNA). This DNA contains the necessary sequences for producing rRNA. 5. **Conclusion**: Therefore, the correct answer to the question is **rDNA** (ribosomal DNA). ### Final Answer: The nucleic acid in the nucleolar organizer that is involved in the synthesis of ribosomal RNA is **rDNA** (ribosomal DNA). ---
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