Problemset2

Problemset2 - BILD 1 W11 Problem Set #2 1. If a strong acid...

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BILD 1 W11 Problem Set #2 1. If a strong acid is added to the blood, what molecule in the blood buffering system will decrease in concentration? HCO3- (reminder: H2CO3 H+ + HCO3-). 2. What is the chemical mechanism by which cells make polymers from monomers? A) phosphodiester linkages B) hydrolysis C) dehydration reactions D) ionic bonding of monomers E) the formation of disulfide bridges between monomers 3. Which of the following bonds are involved in the tertiary structure of a polypeptide? I. Hydrogen Bonds II. Hydrophobic Interactions III. Electrostatic Interactions IV. Disulfide Bonds A. I and II B. I, II, and IV C. II, III and IV D. I, II, III and IV 4. Hemoglobin's two alpha and two beta peptide chains are an example of what time of protein structure A. Primary B. Secondary C. Tertiary D. Quaternary 5. (a) In general terms, what kind of monomer is shown in this figure? The figure shows a glucose, which is a monomer sugar (b) Name one polymer that can be produced by linking monomers of this type. What is the function of this polymer? starch, glycogen – energy storage cellulose – structural support
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6) At which bond would water need to be added to achieve hydrolysis of the peptide, back to its component amino acids? A) A B) B C) C Figure 2 D) D E) E 7) Refer to Figure 2. Which bond is closest to the N-terminus of the molecule? A) A B) B C) C D) D E) E 8) Refer to Figure 2. Which bond is closest to the C-terminus of the molecule? A)
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This note was uploaded on 01/14/2012 for the course BILD 1 taught by Professor Boulanger during the Winter '08 term at UCSD.

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Problemset2 - BILD 1 W11 Problem Set #2 1. If a strong acid...

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