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Define transcription?...

Define transcription?

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The process of synthesis of protein using mRNA, tRNA and ribosomes is called transcription.
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What is a terminator? What is its significance in transcription?

Mention the function of promoter gene in transcription.

Which of the following steps in transcription is catalysed by RNA polymerase?

(a) Draw a schematic representation of the structure of a transcription unit and show the following in it : (i) Direction in which transcription occurs (ii) Polarity of the two strands involved (iii) Template strand (iv) Terminator gene. (b) Mention the function of promoter gene is transcription.

What is a promoter in a transcription unit? Where is it located in DNA with reference to the structural gene?

During transcription, RNA polymerase holoenzyme binds to a gene promoter and assumes a saddle-like structure. What is it's DNA-binding sequence?

Regulatory proteins are the accessory proteins that interact with RNA polymerase and affect its role in transcription. Which of the following statements is correct about regulatory protein?

Define transpiration.

With reference to transcription define. (a) Splicing (b) Capping

OSWAAL PUBLICATION-MOLECULAR BASIS OF INHERITANCE -TOPIC-2: Multiple Choice Questions
  1. Define transcription?

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  2. In a DNA strand the nucleotides are linked together by :

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  3. A nucleoside differs from a nucleotide . It lacks the :

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  4. Both deoxyribose and ribose belong to a class of sugars called :

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  5. The fact that a purine base always paired through hydrogen bonds with ...

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  6. The net electric charge on DNA and histones is :

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  7. The promoter site and the terminator site for transcription are locate...

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  8. Which of the following statements is the most appropriate for sickle c...

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  9. One of the following is true with respect to AUG:

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  10. The first genetic material could be:

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  11. With regard to mature mRNA in eukaryotes :

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  12. The human chromosome with the highest and least number of genes in the...

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  13. Who amongst the following scientists had no contribution in the develo...

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  14. DNA is a polymer of nucleotides which are linked to each other by 3-5'...

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  15. Discontinuous synthesis of DNA occurs in one strand, because :

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  16. Which of the following steps in transcription is catalysed by RNA poly...

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  17. Control of gene expression takes place at the level of:

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  18. Regulatory proteins are the accessory proteins that interact with RNA ...

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  19. Which was the last human chromosome to be completely sequenced?

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  20. Which of the following are the functions of RNA?

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  21. While analysing the DNA of an organism a total number of 5386 nucleoti...

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