Calculate the pH of a 2.0 L solution containing 10 mL of 5 M acetic acid and 10 mL of 1 M sodium acetate. (pKa = 4.76)

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#Question id: 2662

#XL - T Zoology

In the tryptophan operon, tryptophan serves as ________________.

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#Question id: 2654

#XL - T Zoology

Regulation of the lac operon can be envisioned as regulation of enzyme synthesis by its

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#Question id: 2113

#XL - T Zoology

Why are lipids and proteins free to move laterally in membranes?

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#Question id: 5567

#XL - T Zoology

The cortical reaction of sea urchin eggs functions directly in ________.

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#Question id: 19678

#XL - P Chemistry

Which of the following is the IUPAC name of the chemical in which an ethyl group replaces one hydrogen of ammonia?