Which of the following is (are) required for splicing to occur?

a. two transesterification reactions

b. intact, naturally occurring introns

c. formation of a lariat like structure

d. a branch-point G residue

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#Question id: 31264

#Unit 4. Cell Communication and Cell Signaling

Which of the following reason is responsible for origin of mutation in tumor suppressor genes? 

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#Question id: 16790

#Unit 13. Methods in Biology

For the moderately symmetrical distribution of age of the employees, mean = 20 and mode = 25. The approximate value of the median is: 

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#Question id: 14864

#Unit 6. System Physiology – Plant

Which of the following statements of ATPase is INCORRECT?

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#Question id: 23857

#Unit 13. Methods in Biology

Which was developed by a British researcher and causes DNA sequences to be transferred to a membrane and identified with a probe?

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#Question id: 30098

#Unit 1. Molecules and their Interaction Relevant to Biology

The following enzymes are involved in the catabolism of AMP to uric acid. The correct order of their use is:

1. A deaminase

2. A nucleoside phosphorylase

3. A nucleotidase

4. Xanthine oxidase