Protein amino acid side chains can hydrogen bond in the major groove of DNA, and discriminate between each of the four possible base pairs.  In which one of the following groups of amino acids can all three members potentially be used in such DNA-protein recognition?

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#Question id: 387

#1. Molecules and their Interaction Relevant to Biology

For a weak acid with a pKa of 6.0, What would be the ratio of acid to salt at pH 5.

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#Question id: 3612

#8. Inheritance Biology

Multiple alleles control inheritance of

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#Question id: 1017

#4. Cell Communication and Cell Signaling

The outbreak of measles within the last few years was due to

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#13. Methods in Biology

Antibody excess zone of inhibited precipitation in which__

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#Question id: 320

#1. Molecules and their Interaction Relevant to Biology

The aggregation of nonpolar molecules or groups in water is thermodynamically due to the