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प्रश्न
Mention three differences between DNA and RNA.
फरक स्पष्ट करा
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उत्तर
| DNA | RNA |
| 1. The sugar present in the DNA molecule is deoxyribose. | 1. The sugar present in an RNA molecule is ribose. |
| 2. DNA is a double-stranded molecule. | 2. RNA is a single-stranded molecule. |
| 3. The four bases found in DNA are adenine, guanine, cytosine, and thymine. | 3. In RNA, in place of thymine, another nitrogenous base called uracil is present. |
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संबंधित प्रश्न
What are the rungs of the "DNA ladder" made of?
Name the repeating components of each DNA strand lengthwise.
Choose the correct answer :
DNA model was given by ___________
Choose the correct answer :
Spirally coiled double strands are observed in ____________
How many codons are needed to specify three amino acids?
The ______ units form the backbone of the DNA.
What is the biological significance of DNA?
Match the Column I with Column II and select the correct option.
| List-I | List-II | ||
| i. | Ribozyme | a. | Lac operon |
| ii. | Friedrich Miescher | b. | DNS as genetic material |
| iii. | Alfred Hershey and Martha Chase | c. | Catalytic RNA molecule |
| iv. | Francois-Jacob | d. | DNA is acidic substance |
Which of the following enzyme catalyse the removal of nucleotides from ends of DNA?
A nucleoside differs from a nucleotide in not having a ______.
