Biochemistry

Biochemistry (Biochem) 7

Biochemistry (Biochem) 7

Biochemistry (Biochem) 6

Biochemistry (Biochem) 5

1. The aqueous solution with the LOWEST pH is: A) 0.01 M HCl. B) 0.1 M acetic acid (pKa = 4.86). C) 0.1 M formic acid (pKa = 3.75). D) 0.1 M HCl. E) 10–12 M NaOH. 2. The aqueous solution with the HIGHEST pH is: A) 1 M HCl. B) 1 M NH3 (pKa = 9.25). C) 0.5 M NaHCO3 (pKa = 3.77). D) 0.1 M NaOH. E) 0.001 M NaOH. 4 3. Phosphoric acid is tribasic, with pKa's of 2.14, 6.86, and 12.4. The ionic form that predominates at pH 3.2 is: A) H3PO4. B) H2PO–. C) HPO 2–. D) PO...

1. Which group consists only of amino acids with basic side chains? A. leucine and lysine B. arginine and leucine C. lysine and arginine D. arginine and isoleucine 2. Which amino acids contain sulfur? A. cysteine and lysine B. cysteine and methionine C. arginine and methionine D. cysteine and isoleucine 3. Which amino acid takes on a negative charge when the R-group loses a proton? A. Glutamic Acid B. Histidine C. Glutamine D. Tyrosine E. Glutamic Acid and Tyrosine 4. Wh...

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1) The synthesis of which molecule is considered by many to be the root of biochemistry since it was the first synthesis of a biological molecule from non-biological precursors? A) DNA B) urea C) glucose D) glycine E) adenosine triphosphate (ATP) Answer: B Difficulty: 1 Topic: The Roots of Biochemistry 2) Prior to 1926, the source of biological catalysis was postulated to be possessed by “ferments” which today are called _______. A) proteins B) nucleic acids C) enzymes D) polysa...

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Test Bank for Biochemistry, 2nd Edition by Roger L Miesfeld Complete C