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During elongation of polypeptides chain,...

During elongation of polypeptides chain, sigma factor is

A

function less

B

retained for specific function

C

released for reuse

D

required during closing of chain

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The correct Answer is:
A
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Assertion (A): During elongation of a polypeptide chain, the amino acid-tRNA complexes, sequentially bind to the A-site of the ribosome. Reason (R): This binding prepared the complex for termination of translation.

Explain the steps involved in the elongation of polypeptide chain during protein synthesis.

Termination of polypeptide chain is brought about by

The three codons which result in the termination of polypeptide chain synthesis are

The three codons which result in the termination of polypeptide chain synthesis are

The main steps involved in the process of translation are I.Activation of amino acid II.Initiation of polypeptide chain synthesis III.Termination of polypeptide chain formation IV. Transfer of polypeptide chain to tRNA

Under the concept of triplet code, the segment of DNA specifying one full functional polypeptide chain is known as:-

Translation | | Orientation OF polypeptide chain | | Chain elongation | | Chain termination

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ARIHANT NEET-GENE, ITS EXPRESSION AND REGULATION-Chapter Exercise (A) Taking it together (Assorted questions of the Chapter for Advanced Level Practice
  1. tRNA has the function of

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  2. RNA differs from DNA in nature of

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  3. During elongation of polypeptides chain, sigma factor is

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  4. Who amongst the following scientists had no contribution in the deve...

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  5. Glycosidic bonds forms between

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  6. Wobble position means

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  7. Genetci code translate the language of :

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  8. Sigma factor factor is a component of

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  9. Teminism is

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  10. The translation step in the process of protein synthesis is made by a ...

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  11. To initiate translation, the mRNA first binds to

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  12. If the base sequence of a codon in mRNA is 5'-AUG-3', the sequence of ...

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  13. If the sequence of nitrogen bases of the coding strand of DNA in a tra...

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  14. Regulatory genes are genes that

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  15. Which of the following is not involved in the formation of a eukaryoti...

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  16. The function of a non- sense codon is to

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  17. Each codon present on mRNA and anticodon present on tRNA is composed o...

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  18. During protein synthesis, amino acid gets attached to tRNA with the he...

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  19. Noble Prize to A Kornberg and S Ochoa was given for

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  20. According to operon concept, the regulatory gene regulates gene regula...

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