34. Which of the following is not a property of amino acids a. Buffer 35. The protein primary structure is held together by a. Hydrogen bonds b. Isoelectric point C. Zwitterions d. Insoluble in water b. Disulfide bonds c. Peptide bonds d. Protein bonds Draw the structure and give the name of the dipeptide and tripeptide. (5 points each) V. 46. YME (N-terminal= Y and C-terminal= E) 47. VENY (N-Terminal= V and C-terminal= Y)

34. Which of the following is not a property of amino acids a. Buffer 35. The protein primary structure is held together by a. Hydrogen bonds b. Isoelectric point C. Zwitterions d. Insoluble in water b. Disulfide bonds c. Peptide bonds d. Protein bonds Draw the structure and give the name of the dipeptide and tripeptide. (5 points each) V. 46. YME (N-terminal= Y and C-terminal= E) 47. VENY (N-Terminal= V and C-terminal= Y)

Chemistry for Today: General, Organic, and Biochemistry

9th Edition

ISBN:9781305960060

Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Chapter19: Proteins

Section: Chapter Questions

Problem 19.73E: Which of the following are true concerning the chemical bond that forms between the carboxyl (RCOOH)...

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Which of the following describes the primary structure of proteins? a. The collective shape assumed by all of the chains in a protein containing multiple chains. b. The folding of an individual protein molecule. c. The regular repeated shape of the protein molecules backbone. d. The sequence of amino acids bonded together by peptide bonds.
In a pleated sheet secondary structure for a protein a. describe the general shape of the protein backbone b. describe the general locations for the amino acid R groups
What functional groups are found in all amino acids? How many different amino acids are found in naturally occurring proteins?
At room temperature, amino acids are solids with relatively high decomposition points. Explain why.
Why is complete hydrolysis of a protein not also protein denaturation?
. How many unique amino acid sequences are possible for a tripeptide containing only the amino acids gly, ala, and cys, with each amino acid occurring only once in each molecule?
Two proteins with the same amino acid composition do not have to have the same primary structure. Explain why.
What characteristics indicate that amino acids exist as zwitterions?
Which of the following are true concerning the chemical bond that forms between the carboxyl (RCOOH) group of one amino acid and the amino (RCNH2) group of another? a.The bond is called a peptide bond. b.It is formed by inserting a water molecule between them. c.It is formed by a dehydration reaction. d.A polypeptide has more of these bonds than a protein.