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Out of A-T,G-C pairing bases of DNA may ...

Out of A-T,G-C pairing bases of DNA may exist in alternate valencyt state owing to arrangement calld

A

point mutation

B

frameshift mutation

C

analogue substition

D

tautomerisational mutation

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The correct Answer is:
D
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Out of A-T G-C pairing bases of DNA may exist in alternate valency stte called

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The amount of A, T, G and C in DNA varies from species to species. According to Chargaff, the percentage of adenine is equal to the percentage of cytosine in DNA.

Two metal cubes A and B of same size are arranged as shown if Fig. The extreme ends of the combination are maintained at the identical temperatures. The arrangement is thermally insulated. The coefficients of thermal conductivity of A and B are 300 W//m^@C and 200 W//m^@C , respectively. After steady state is reached, what will be the temprature T of the interface ?

Fill in the blanks (a) Evaporation of a liquid at room temperature leads to a …… effect . (b) At room temperature the forces of attraction between the particles of solid substances are …. Than those which exist in the gaseous state. (c) The arrangement of particles is less ordered in the ... state. However, there is no order in the ..... state. (d)....... is the change of gaseous state directly to solid state without going through the ....... state. (e) The phenomenon of changes of a liquid into the gaseous state at any temperature below its boiling point is called ......

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Recombinant DNA technology involves several steps in specific sequence. Find out the correct sequence. a. Fragmentation of DNA b. Culturing the host cells in a medium at large scale c. Ligation of DNA fragment into a vector d. Extraction of the desired product e. Isolation of DNA f. Isolation of desired DNA fragment g. Transferring the recombinaut DNA into the host

The area of DNA rich in A - T base pairs is called

GRB PUBLICATION-CHROMOSOMAL BASIS OF INHERITANCE-Gene mutation
  1. which of the following mutagens increases disture between the neighbou...

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  2. In a mutational event ,when adenine is replaced by guanine , it is a c...

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  3. trananstion type of mutation is cused when :

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  4. a point mutation comprising the subxiton of a purine by pyrimidine is ...

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  5. type of gene mutation which involves replacement of puriune with pyrim...

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  6. Change from purine to pyrimidedine or pyrimidine to purine is called :

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  7. Not all base -pair subsittuations in DNA alter the activity of the pro...

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  8. Minor change at a gene level are descibed as :

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  9. Mutation is the change in :

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  10. The gene that controls the rate of mutation of another gene is :

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  11. The gene which increases the frequncy of mutation in other gene is r...

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  12. Out of A-T,G-C pairing bases of DNA may exist in alternate valencyt st...

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  13. Errors during DNA replication , repair or recombination can lead to ba...

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  14. A mutation that change a codon spcifying one amino acid to a terinatio...

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  15. mutations which soes not cause any change in the protein is :

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  16. The change in single base pair

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  17. The frequency of a mutant gene in a population is expected to increase...

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  18. A mutation in bacteria results in nonformation of mesosomes .the expec...

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  19. Phenotype of an organism is result of

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  20. The effect of today's radioactive fallout will probably be more harmfu...

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