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The accessibility of promoter regions of...

The accessibility of promoter regions of bacterial DNA in many cases regulated by the interaction of proteins with sequences termed

A

Regulator

B

Structural genes

C

Inhibitor genes

D

Operator

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The correct Answer is:
D
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Assertion :- The activity of RNA polymerase at a pormotor is regulated by interaction with accessory protein, which affect its ability to recognise start sites. Reason : The accessibility of promotor ragion of prokaryotic DNA is in many cases is regulated by interactin of proteins with operators.

The accessibility of promote regions of prokaryotic DNA by RNA polymerase is in many cases regulated by the interaction of some protein with sequences termed as -

In a transcription unit, the activity of RNA polymerase at a given promoter is in turn regulated by interaction with accessory proteins, which affect its ability to

The segment of a DNA molecule determining the amino acid sequence of a protein, is known as :

The mechanism in which the rate of the solute movements increases by interaction of transmembrane proteins is termed as

Mutational events, which result in the deletion or addition of nucleotide bases in DNA, thereby causing gross changes.in the amino acid sequences of proteins are termed as

AAKASH INSTITUTE-MOLECULAR BASIS OF INHERITANCE -ASSIGNMENT (SECTION -B) Objective Type Questions
  1. In protein synthesis, Which of the following are required for the synt...

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  2. Termination of polypeptide synthesis in bacteria differs from eukaryot...

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  3. The accessibility of promoter regions of bacterial DNA in many cases ...

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  4. When the genomes of two people are cut using the same restriction enzy...

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  5. Which of the following does not code for any proteins ?

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  6. which statement is correct for homeotic genes?

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  7. In which step of DNA profiling, nitrocellulose membrane is used ?

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  8. Repressor of lac-operon

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  9. Select the correct one (w.r.t. Wobble hypothesis)

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  10. A set of genes or cDNA is immobilized on a glass slide and used in tra...

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  11. Which of the following bases is not present in DNA ?

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  12. If there are 81 million bases in RNA of human cell then calculate the ...

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  13. Splicing is necessary for preparing a mature transcript and its movem...

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  14. Majority of unusual bases are found in tRNA, T psi C loop is

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  15. How many amino acids will be coded by the mRNA sequence - 5 C C C U...

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  16. Identification and binding of RNA polymerase to the promoter sequence...

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  17. Repetitive sequence are stretches of DNA with repeated bases many ti...

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  18. The microsatellites have simple sequence of repeated

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  19. The DNA strand showing replication using Okazaki fragments also show...

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  20. Prokaryotic transcription mechanism requires involvement of only one...

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