48. Aquaporins are located within the lipid bilayer of a cell's piasma membrane, which act as a channel for water to enter and exit a cell, while albumin is a protein that circulates freely in human plasma. How would the tertiary structure of these two proteins mostly likely compare based on their physiological locations? A. Albumin has a more nonpolar core with a nonpolar outer layer, while aquaporins have a more polar core with a polar outer layer B. Albumin has a more nonpolar core with a polar outer layer, while aquaporins have a more polar core with a nonpolar outer layer C. Albumin has a more polar core with a nonpolar outer layer, while aquaporins have a more nonpolar core with a polar outer layer D. Albumin has a more polar core with a nonpolar outer layer, while aquaporins have a more nonpolar core with a polar outer layer

Biology 2e
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Chapter3: Biological Macromolecules
Section: Chapter Questions
Problem 33CTQ: Aquaporins are proteins embedded in the plasma membrane that allow water molecules to move between...
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48. Aquaporins are located within the lipid bilayer of a cell's plasma membrane, which act as a channel for water to enter
and exit a cellI, while albumin is a protein that circulates freely in human plasma. How would the tertiary structure of
these two proteins mostly likely compare based on their physiological locations?
A. Albumin has a more nonpolar core with a nonpolar outer layer, while aquaporins have a more polar core with a
polar outer layer
B. Albumin has a more nonpolar core with a polar outer layer, while aquaporins have a more polar core with a nonpolar
outer layer
C. Albumin has a more polar core with a nonpolar outer layer, while aquaporins have a more nonpolar core with a
polar outer layer
D. Albumin has a more polar core with a nonpolar outer layer, while aquaporins have a more nonpolar core with a
polar outer layer
49. Which of the following is NOT true about secondary protein structure?
A. The hydrophilic/hydrophobic character of amino acid residues is important to secondary structure
B. The ability of peptide bonds to form intramolecular hydrogen bonds is important to secondary structure
C. The alpha helix, beta pleated sheet and beta turns are examples of protein secondary structure
D. The steric influence of amino acid residues is important to secondary structure
Transcribed Image Text:48. Aquaporins are located within the lipid bilayer of a cell's plasma membrane, which act as a channel for water to enter and exit a cellI, while albumin is a protein that circulates freely in human plasma. How would the tertiary structure of these two proteins mostly likely compare based on their physiological locations? A. Albumin has a more nonpolar core with a nonpolar outer layer, while aquaporins have a more polar core with a polar outer layer B. Albumin has a more nonpolar core with a polar outer layer, while aquaporins have a more polar core with a nonpolar outer layer C. Albumin has a more polar core with a nonpolar outer layer, while aquaporins have a more nonpolar core with a polar outer layer D. Albumin has a more polar core with a nonpolar outer layer, while aquaporins have a more nonpolar core with a polar outer layer 49. Which of the following is NOT true about secondary protein structure? A. The hydrophilic/hydrophobic character of amino acid residues is important to secondary structure B. The ability of peptide bonds to form intramolecular hydrogen bonds is important to secondary structure C. The alpha helix, beta pleated sheet and beta turns are examples of protein secondary structure D. The steric influence of amino acid residues is important to secondary structure
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