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#Question id: 26800

#Unit 8. Inheritance Biology

Effects of double crossover in two-strand is___

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#Question id: 29429

#Unit 6. System Physiology – Plant

Trx proteins are characterized by a canonical disulfide active site consisting of

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#Question id: 18075

#Unit 13. Methods in Biology

At high salt concentrations, the mRNA containing poly(A) tails binds to the complementary oligo(dT) molecules of the affinity column, and so, mRNA will be retained; all other RNA molecules can be washed through the column by further high salt solution. finally, the bound mRNA can be eluted by using

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#Question id: 28079

#Unit 6. System Physiology – Plant

In molecules, two types of excited states can exist singlet and triplet  

(a) The singlet state is relatively long‐lived than triplet and have parallel spin

(b) The singlet state is relatively short‐lived than triplet and have antiparallel spin

(c) The triplet state is relatively long‐lived than singlet and have two parallel spin

(d) The triplet state is relatively long‐lived than singlet and have two anti-parallel spin

Which of the following is correct 

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#Question id: 10334

#Unit 6. System Physiology – Plant

N2 combines with hydrogen to form ammonia under elevated temperature (about 200°C) and high pressure (about 200 atmospheres) and in the presence of a metal catalyst (usually iron). The extreme conditions are required to overcome the high activation energy of the reaction. This nitrogen fixation reaction, called