1. Which one of the following statements concerning the peptide shown below is correct? Gly-Cys-Glu-Ser-Asp-Arg-Cys A. The peptide contains glutamine B. The peptide contains a side chain with a secondary amino group C. The peptide contains a majority of AA with side chains that would be positively charged at pH of 7. D. The peptide is able to form an internal disulfide bond. 2. A mixture of 0.01 M acetic acid and 0.02 sodium acetate is given. Calculate the pH of the medium. Pka Acetic acid is 4.76 A 3.06 B. 4.06 C. 5.06 D. 6.06 3. The correct interpretation of benedict's test result is. A. Green = 0.1-0.5% B. Orange = 1-2% C. Brick red = >3 % D. None of the above. 4. All are monosaccharides, EXCEPT. A. Glucose B. Galactose C. Fructose D. None of the above. 5. All are true about carbohydrates, EXCEPT. A. They are classified according to the number of Carbon atoms. B. They are linked by Glycosidic bonds. c. Oligosaccharides are > 10 monosaccharides. D. All of the above. 6. All are true about enzymes, EXCEPT. A. They are protein catalysts that increase the velocity of a chemical reaction. B. They are not consumed in the reaction. C. Itis highly specific. D. None of the above.

1. Which one of the following statements concerning the peptide shown below is correct? Gly-Cys-Glu-Ser-Asp-Arg-Cys A. The peptide contains glutamine B. The peptide contains a side chain with a secondary amino group C. The peptide contains a majority of AA with side chains that would be positively charged at pH of 7. D. The peptide is able to form an internal disulfide bond. 2. A mixture of 0.01 M acetic acid and 0.02 sodium acetate is given. Calculate the pH of the medium. Pka Acetic acid is 4.76 A 3.06 B. 4.06 C. 5.06 D. 6.06 3. The correct interpretation of benedict's test result is. A. Green = 0.1-0.5% B. Orange = 1-2% C. Brick red = >3 % D. None of the above. 4. All are monosaccharides, EXCEPT. A. Glucose B. Galactose C. Fructose D. None of the above. 5. All are true about carbohydrates, EXCEPT. A. They are classified according to the number of Carbon atoms. B. They are linked by Glycosidic bonds. c. Oligosaccharides are > 10 monosaccharides. D. All of the above. 6. All are true about enzymes, EXCEPT. A. They are protein catalysts that increase the velocity of a chemical reaction. B. They are not consumed in the reaction. C. Itis highly specific. D. None of the above.

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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