14. Determination of the sequence of amino acids in a peptide is done by (A) x-ray crystallography (B) Edman degradation (C) treatment with cyanogen bromide (D) trypsin hydrolysis

3. In the sodium-potassium pump (A) sodium is transported out of the cell and potassium into the cell, both against concentration gradients (B) sodium is transported into the cell and potassium out of the cell, both against concentration gradients (C) sodium is transported out of the cell and potassium into the cell, both in the same direction as concentration gradients (D) sodium and potassium are both transported out of the cell against concentration gradients

14. Determination of the sequence of amino acids in a peptide is done by
(A) x-ray crystallography
(B) Edman degradation
(C) treatment with cyanogen bromide
(D) trypsin hydrolysis

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