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A set of genes or cDNA is immobilized on...

A set of genes or cDNA is immobilized on a glass slide and used in transcription studies is called

A

Proteome

B

Microarray

C

DNA chip

D

Genome

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The correct Answer is:
B
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There are certain sequences of DNA that are termed as mobile or jumping genes and are useful as vectors. Such sequences are called as

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Go though the following statements (i) Meselson & stahl used cesium chloride density gradient to distinguish heavy DNA molecules from the normal DNA molecules. (ii) In meselson & Stahl experiment the DNA that was extracted from the culture one generation after the transfer from .^(15)N to .^(14)N , was composed of equal amount of hybrid (intermediate) DNA and of light DNA. (iii) In prokaryotes, control f the rate of transcriptional initiation is the predominant site for control of gene expression. (iv) In lac operon, the repressor is synthesised only at the time when the level of metabolite is in excess. Find out the correct statements?

Assertion : Traditional hybridisation procedures used in plant and animal breeding, very often lead to inclusion and multiplication of underirable genes along with the desired genes. Reason :The techniques of genetic engineering overcome this limitation and allows us to isolate and introduce only one or a set of desirable genes without introducing undersirable genes into the target organis

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AAKASH INSTITUTE-MOLECULAR BASIS OF INHERITANCE -ASSIGNMENT (SECTION -B) Objective Type Questions
  1. In which step of DNA profiling, nitrocellulose membrane is used ?

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  2. Repressor of lac-operon

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

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

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

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

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

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

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

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

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

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  12. The microsatellites have simple sequence of repeated

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

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

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  15. Pribnow box is consensus of bases forming a binding site for E.coi...

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  16. In tryptophan operon

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  17. In tailing, adenylate residues are added at 3 end

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  18. For every single amino acid incorporated in peptide chain ATP and...

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  19. In t-RNA

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  20. The one aspect which is not a salient feature of genetic code, is its...

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