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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 interactions are required for enhancing gene transcription

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The correct Answer is:
B
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AAKASH SERIES-MOLECULAR BASIS OF INHERITANCE-Exercise-II
  1. In E.coli, tryptophan switches off the trp operon by

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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. One gene-one polypeptide hypothesis was proposed by

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  5. A single anticodon can recognise more than one codon of mRNA. This phe...

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  6. What becomes established from the wobble hypothesis?

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  7. In a codon, wobbling is generally restricted to

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  8. The contribution of cytoplasmic DNA in cell.s total DNA is

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  9. An antibiotic, which inhibits translation in eukaryotes is

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  10. Genes, which are inactive for long periods, have the tendency to be bo...

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  11. Non-constitutive genes express themselves only when needed, are also c...

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  12. Cistron was called as functional gene in 1955 by

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  13. When gene resemble functional genes, but donot produce functional subs...

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  14. In trp operon, the corepressor is

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  15. In both inducible and repressiblc systems, the synthesis of protein is...

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  16. Transcription is most similar to

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  17. The terms cistron, recon and muton were proposed by

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  18. The expression of genes is regulated by

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  19. Who were the first to elucidate a transcriptionally regulated system?

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  20. Regulation of lac operon by repressor is referred to as

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