Fundamentals of General, Organic, and Biological Chemistry, Books a la Carte Edition (8th Edition)
8th Edition
ISBN: 9780134218328
Author: John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. Peterson
Publisher: PEARSON
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Textbook Question
Chapter 18, Problem 18.58AP
Proteins are usually least soluble in water at their isoelectric points. Explain.
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Chapter 18 Solutions
Fundamentals of General, Organic, and Biological Chemistry, Books a la Carte Edition (8th Edition)
Ch. 18.2 - Prob. 18.1PCh. 18.2 - Prob. 18.2PCh. 18.3 - Prob. 18.3PCh. 18.3 - Examine the ball-and-stick model of valine in the...Ch. 18.3 - Indicate whether each of the following molecules...Ch. 18.3 - Prob. 18.6PCh. 18.3 - Prob. 18.7KCPCh. 18.3 - Prob. 18.8PCh. 18.3 - Prob. 18.9PCh. 18.3 - Prob. 18.10P
Ch. 18.3 - Prob. 18.11PCh. 18.3 - Prob. 18.12PCh. 18.4 - The proteins collagen, bovine insulin, and human...Ch. 18.4 - Prob. 18.2CIAPCh. 18.4 - Prob. 18.13PCh. 18.4 - Prob. 18.14PCh. 18.5 - Valine is an amino acid with a nonpolar side...Ch. 18.5 - Tripeptides are composed of three amino acids...Ch. 18.5 - Prob. 18.17PCh. 18.5 - Identify the amino acids in the following...Ch. 18.5 - Prob. 18.19PCh. 18.5 - Prob. 18.3CIAPCh. 18.5 - Prob. 18.4CIAPCh. 18.5 - Two of the most complete (balanced) proteins...Ch. 18.6 - Prob. 18.6CIAPCh. 18.6 - Prob. 18.7CIAPCh. 18.6 - (a)What atoms are present in a planar unit in a...Ch. 18.6 - Prob. 18.21PCh. 18.6 - Prob. 18.22PCh. 18.7 - Prob. 18.23PCh. 18.7 - Prob. 18.24PCh. 18.7 - Complete the following two sentences with either...Ch. 18.7 - Prob. 18.26KCPCh. 18.8 - Which of the following pairs of amino acids can...Ch. 18.8 - Look at Table 18.3 and identify the type of...Ch. 18.8 - In Figure 18.3, identify the amino acids that have...Ch. 18.8 - Prob. 18.30PCh. 18.9 - Prob. 18.31PCh. 18.10 - Another endoprotease is trypsin. Trypsin...Ch. 18.10 - Prob. 18.33PCh. 18.10 - Prob. 18.8CIAPCh. 18.10 - Prob. 18.9CIAPCh. 18 - Draw the structure of the following amino acids,...Ch. 18 - Prob. 18.35UKCCh. 18 - Prob. 18.36UKCCh. 18 - Prob. 18.37UKCCh. 18 - Prob. 18.38UKCCh. 18 - Threonine has two chiral centers. Draw L-threonine...Ch. 18 - Name four biological functions of proteins in the...Ch. 18 - Prob. 18.41APCh. 18 - Prob. 18.42APCh. 18 - Prob. 18.43APCh. 18 - Prob. 18.44APCh. 18 - Prob. 18.45APCh. 18 - Prob. 18.46APCh. 18 - Prob. 18.47APCh. 18 - Draw leucine and identify any chiral carbon atoms...Ch. 18 - Prob. 18.49APCh. 18 - Prob. 18.50APCh. 18 - Is histidine hydrophilic or hydrophobic? Explain...Ch. 18 - Prob. 18.52APCh. 18 - At neutral pH, which of the following amino acids...Ch. 18 - Prob. 18.54APCh. 18 - Prob. 18.55APCh. 18 - Prob. 18.56APCh. 18 - Prob. 18.57APCh. 18 - Proteins are usually least soluble in water at...Ch. 18 - Prob. 18.59APCh. 18 - Prob. 18.60APCh. 18 - Prob. 18.61APCh. 18 - Prob. 18.62APCh. 18 - Prob. 18.63APCh. 18 - (a)Identify the amino acids present in the peptide...Ch. 18 - Prob. 18.65APCh. 18 - Prob. 18.66APCh. 18 - Prob. 18.67APCh. 18 - Prob. 18.68APCh. 18 - Prob. 18.69APCh. 18 - Prob. 18.70APCh. 18 - Prob. 18.71APCh. 18 - Prob. 18.72APCh. 18 - Prob. 18.73APCh. 18 - Prob. 18.74APCh. 18 - Prob. 18.75APCh. 18 - What kind of bond would you expect between chains...Ch. 18 - Is the bond formed between each pair in Problem...Ch. 18 - Prob. 18.78APCh. 18 - Prob. 18.79APCh. 18 - Prob. 18.80APCh. 18 - Prob. 18.81APCh. 18 - Prob. 18.82APCh. 18 - Prob. 18.83APCh. 18 - Prob. 18.84APCh. 18 - Prob. 18.85APCh. 18 - Prob. 18.86APCh. 18 - Prob. 18.87APCh. 18 - Prob. 18.88APCh. 18 - Give an example of a protein that has quaternary...Ch. 18 - Prob. 18.90APCh. 18 - Prob. 18.91APCh. 18 - Prob. 18.92APCh. 18 - Prob. 18.93APCh. 18 - Prob. 18.94APCh. 18 - Prob. 18.95APCh. 18 - Prob. 18.96APCh. 18 - Prob. 18.97APCh. 18 - Prob. 18.98CPCh. 18 - Prob. 18.99CPCh. 18 - Prob. 18.100CPCh. 18 - Prob. 18.101CPCh. 18 - Prob. 18.102CPCh. 18 - Prob. 18.103CPCh. 18 - Prob. 18.104CPCh. 18 - Prob. 18.105CPCh. 18 - Prob. 18.106CPCh. 18 - Prob. 18.107CPCh. 18 - Prob. 18.108CPCh. 18 - Prob. 18.109GPCh. 18 - Prob. 18.110GPCh. 18 - Prob. 18.111GPCh. 18 - Prob. 18.112GP
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- Amino acids are ionic compounds, very soluble in water. Proteins, however, which are made up of amino acids are much less soluble, and must be folded up very precisely to maximize their solubility. Why are proteins so much less soluble than the amino acids of which they are made?arrow_forwardWhy is the ionic bond between, say, the side chain of lysine and the side chain of glutamic acid stronger in the hydrophobic interior of a protein than in aqueous solvent (water)?arrow_forwardAre all the amino-acids soluble in water? Explain why?arrow_forward
- Detergents disrupt hydrophobic interactions by coating hydrophobic molecules with molecules that have a hydrophilic surface. When hemoglobin is treated with a detergent, the four polypeptide subunits separate and become random coils*. Explain this observation.arrow_forwardMost proteins can easily dissolve in water. Knowing that, where within the overall three-dimensional shape of a protein would you most likely find hydrophobic amino acids?arrow_forwardThe protein gamma globulin has an isoelectric point of 6.60. Suppose you did a pH titration of a solution containing gamma globulin. At what pH will the protein aggregate?arrow_forward
- At low salt concentration, proteins are less solublearrow_forwardBasic chemical properties of polar uncharged amino acids in proteins. Use a few examples.arrow_forwardHemoglobin is a tetramer consisting of two a and two b chains. What level of protein structure is described in the above statement?arrow_forward
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