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प्रश्न
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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
State whether the following sentence is true or false:
Genes are arranged in a linear order on a chromosome.
State whether the following sentence is true or false:
In any specimen of DNA, the total molar amount of A + G = T+ C.
Choose the correct answer :
Spirally coiled double strands are observed in ____________
If a DNA has 20 Adenine and 30 cytosine bases. What will be the total number of purine bases in the given sample?
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 |
A nucleoside differs from a nucleotide in not having a ______.
Nitrogenous bases in DNA are classified into two categories based on ring structure. Which bases belong to the purine class?
In the DNA double helix, what is the directional orientation of the two antiparallel polynucleotide chains?
Which force type maintains strand integrity along the sugar-phosphate backbone of DNA?
