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

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#Question id: 29434

#Unit 6. System Physiology – Plant

Symbiotic biological nitrogen fixation takes place with the association between a host plant and a nitrogen fixing prokaryote as shown in the following table

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#Question id: 15448

#Unit 4. Cell Communication and Cell Signaling

Stimulation of a single B cell would result in the generation of a clone of cells having_____

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#Question id: 12757

#Unit 10. Ecological Principles

Biomanipulation can best be described as

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#Question id: 376

#Unit 1. Molecules and their Interaction Relevant to Biology

Phosphoric acid is tribasic, with pKa of 2.14, 6.86 and 12.4. The ionic form that predominates at pH 3.2 is

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#Question id: 1879

#Unit 4. Cell Communication and Cell Signaling

The β chain of the FcϵRI: