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11. Agarose a porous matrix used in various molecular biology technique is made by repetitive units of

A. maltose
B. agarobiose
C. agar
D. none of these

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12. What radioactive molecule is used to end-label an oligonucleotide?

A. (alpha)-³²P-ATP
B. (alpha)-³²P-dUTP
C. (gamma)-³²P-ATP
D. Any of these

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13. Which of the following radioactive element is generally involved in RIA?

A. Tritium
B. Carbon-14
C. Iodine-125
D. All of these

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14. What is approximatively the half life of 32-Phosphorus?

A.14 days
B. 28 days
C. 42 days
D. 30 days

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15. Rocket Immunodiffusion is also known as

A. gel diffusion
B. electroimmunodiffusion
C. double-diffusion
D. none of these

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