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In RNA the uracil is found at the place ...

In RNA the uracil is found at the place of

A

adenine

B

cytosine

C

gyanine

D

thymine

Text Solution

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The correct Answer is:
To answer the question "In RNA, uracil is found at the place of", we need to understand the differences between the nitrogenous bases present in RNA and DNA. Here’s a step-by-step solution: ### Step-by-Step Solution: 1. **Identify the Nitrogenous Bases in DNA**: - DNA contains four nitrogenous bases: Adenine (A), Thymine (T), Cytosine (C), and Guanine (G). 2. **Identify the Nitrogenous Bases in RNA**: - RNA also contains four nitrogenous bases: Adenine (A), Uracil (U), Cytosine (C), and Guanine (G). 3. **Compare the Bases**: - The key difference between DNA and RNA is the presence of Uracil in RNA instead of Thymine, which is found in DNA. 4. **Conclusion**: - Therefore, in RNA, uracil (U) is found in place of thymine (T) which is present in DNA. ### Final Answer: In RNA, uracil is found at the place of thymine. ---
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Go through the following statements: (i) In RNA the uracil is found in place of 5-methyl uracil (ii) A nitrogenous base is linked to the pentose sugar through an N-glycosidic linkage to form a nucleoside (iii) Two nucleotides are linked through 3'-5' phosphodiester linkage to form a dinucleotide. (iv). The length of double DNA helix in a typical mammalian cell is approximately 3.2 metres. find out the correct statement

Assertion (A): place of thymine. In RNA uracil is present at the place of thymine. Reason (R): 5-methyl uracil is chemical name of thymine.

5-methyl uracil is

Uracil is present in RNA at the place of :

Uracil is present in RNA at the place of :

Assertion :- The DNA strnd which does not code for anyting is referred to as coding stand. Reason : Coding strand sequence are same as RNA except thymine at the place of uracil.

Assertion (A): The newly formed mRNA has same sequence as the coding strand of transcriptional unit with uracil present at place of thymine. Reason (R): The rule of complementarity guides the formation of DNA and RNA.

Name two different type of RNA molecules found in the cells of organisms.