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5.Molecular Basis of Inheritance
medium
Give differences : $DNA$ and $RNA$
Option A
Option B
Option C
Option D
Solution
| $DNA$ | $RNA$ |
| $(1)$ It is double stranded with exception of some viruses. | $(1)$It is generally single stranded. |
| $(2)$ It is the genetic material in all living organisms. | $(2)$ It is the genetic material in some viruses only. |
| $(3)$ The sugar is deoxyribose. | $(3)$ The sugar is ribose. |
| $(4)$ Nitrogenous base present are adenine, guanine, thymine and cytosine. | $(4)$ Nitrogenous bases present are adenine, guanine, cytosine and uracil.. |
| $(5)$ It is less reactive, chemically and structurally more stable. | $(5)$ It is more reactive chemically and structurally less stable. |
| $(6)$ It usually occurs inside the nucleus. and in some cell organelles. | $(6)$ Very little $RNA$ occurs inside the nucleus. Most of it is found in the cytoplasm. |
Standard 12
Biology
