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In Iac-operon, beta -galactosidase enzym...

In Iac-operon, `beta` -galactosidase enzyme is made by

A

lac-y

B

lac-a

C

lac-z

D

lac-i

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-MOLECULAR BASIS OF INHERITANCE -EXERCISE
  1. Some genes are constantly expressed in the bacterial cells. These gene...

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  2. How many structural genes are present is lac-operon of E.coli?

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  3. In Iac-operon, beta -galactosidase enzyme is made by

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  4. Inducer molecule in lac-operon of E coli is chemically

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  5. Tryptophan operon is (a) Catabolic system (b) Repressible system (...

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  6. Choose the correct option w.r.t the chemical natural of apo-repr...

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  7. Gene battery model was proposed by

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  8. An insect leg may change into antenna due to mutation in

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  9. In repressible operon system, co-repressor molecule is

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  10. Select incorrectly matched pair

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  11. During DNA fingerpriting, separation of DNA fragmemts is done by

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  12. Sequencing the whole set of genome that contained all the coding and n...

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  13. The last step of DNA fingerprinting is (a) Blotting (b) Autoradi...

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  14. DNA fingerprinting can be used (a) To solve cases of disputed paterni...

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  15. Human genome is said to have approximately (a) 3 xx 10 ^(9) bp (b) 3...

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  16. How many total number of genes are found in human genome ?

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  17. % of the genome codes for protein in human beings.

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  18. In humans, the largest gene is present on

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  19. TDF gene is the smallest gene in humans with

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  20. SNPs stand for

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