When an ionic compound such as sodium chloride (NaCl) is placed in water, the component atoms of the NaCl crystal dissociate into individual sodium ions (Na+) and chloride ions (Cl-). In contrast, the atoms of covalently bonded molecules (e.g., glucose, sucrose, glycerol) do not generally dissociate when placed in aqueous solution. Which of the following solutions would be expected to contain the greatest number of solute particles (molecules or ions)?

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#Question id: 18696

#Part-B Specialized Branches in Biotechnology

Isoschizomers recognize

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#Question id: 14115

#Part-B Specialized Branches in Biotechnology

Which one of the following is a database of protein sequence motifs?

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#Question id: 11145

#Part-B Specialized Branches in Biotechnology

Two fundamental concepts about the ion channels of a "resting" neuron are that the channels ________.

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#Question id: 369

#Part-A Aptitude & General Biotechnology

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: 14137

#Part-B Specialized Branches in Biotechnology

Consider the following alignment of two DNA sequences:

                            AGTAAC

                            AA_ _AC

Assuming an affine gap scoring scheme of an identity matrix for substitution, a gap initiation penalty of 1 and a gap extension penalty of 0.1, the score of the alignment is _________