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What are proteosomes...

What are proteosomes

A

Complexes of snRNA and proteins that excise introns

B

Small , positively charged proteins that form the core of nucleosomes

C

Enormous protein complexes that degrade unneeded proteins in the cell

D

complexes of transcription factors whose protein-protein interaction are required for enhancing gene transcription

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The correct Answer is:
B
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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. Inducible enzyme are

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  2. The control of gene expression is more complex in eukaryotic cells bec...

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  3. What are proteosomes

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

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  5. The first undoubted evidence about DNA being the genetic material came...

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  6. Dr. Khorana and his colleagues synthesized an RNA molecule with repeat...

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

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  8. The wild type E. coli cells are growing in normal medium with glucose....

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  9. In an E coli cell according to the operon theory, an operator gene com...

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  10. The lac operon requires a ' helper' protein which, by binding to the p...

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  11. Which one of the following pairs is correctly matched?

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  12. During protein synthesis , the correct amino acid is brought to the ri...

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  13. Addition of lactose in a culture of E. coli induces enzymes ----------...

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  14. Practice using the dictionary of the genetic code determine the amino ...

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  15. During protein synthesis , the correct amino acid is brought to the ri...

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  16. Which among the following codon do not codes for valine (val)?

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  17. The process of translation requires

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  18. Which of the following is true about the terminator

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  19. Which of the following is true about the promoter gene?

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  20. In protein synthesis, a polypeptide of five amino acids is synthesized...

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