The net effect of all amino acid tRNA synthetases binding to a tRNA is to position the __ of tRNA in the active site.

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#Question id: 8959

#Unit 9. Diversity of Life Forms

The most ancient branch point in animal phylogeny is that between having

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#Question id: 5538

#Unit 5. Developmental Biology

The first truly vertebrate phase of development is manifested by the formation of the

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#Question id: 19788

#Unit 13. Methods in Biology

Thermal modulation are used in PCR for the function of__

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#Question id: 1581

#Unit 4. Cell Communication and Cell Signaling

An otherwise healthy student in your class is infected with EBV, the virus that causes infectious mononucleosis. The same student had already been infected when she was a child, and she had merely experienced a mild sore throat and swollen lymph nodes in her neck. This time, though infected, she does not get sick. 

Her immune systemʹs recognition of this infection will involve which of the following?

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#Question id: 325

#Unit 1. Molecules and their Interaction Relevant to Biology

A true statement about hydrophobic interactions is that they: