A single strand of ____ ribonucleotides forms four double stranded stem regions by pairing the bases.

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#Question id: 18808

#Unit 13. Methods in Biology

What would happen if serum is omitted from the ELISA, but all other steps remain same?

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#Question id: 5835

#Unit 8. Inheritance Biology

Which of the following human diseases is associated with defects in nucleotide excision repair?

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#Question id: 14691

#Unit 13. Methods in Biology

In a shooting competition, the probability of hitting the target by A is 2/5, by B is 2/3 and by C is 3/5. If all of them fire independently at the same target, calculate the probability that only one of them will hit the target.

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#Question id: 11288

#Unit 10. Ecological Principles

Below is a table showing the number of species and actual food web links observed in three different ecosystems. By calculating connectance as a measure of relative complexity of food webs, which of the following ecosystem are more complex? 

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#Question id: 540

#Unit 1. Molecules and their Interaction Relevant to Biology

During strenuous exercise, the NADH formed in the glyceraldehyde 3-phosphate dehydrogenase reaction in skeletal muscle must be reoxidized to NAD+ if glycolysis is to continue.  The most important reaction involved in the reoxidation of NADH is: