Biology 2e
Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 3, Problem 33CTQ

Aquaporins are proteins embedded in the plasma membrane that allow water molecules to move between the extracellular matrix and the intracellular space. Based on its function and location, describe the key features of the protein’s shape and the chemical characteristics of its amino acids.

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b) The likelihood of both triglycerides and phospholipids to behave as liquids at a given temperature is affected by their degree of saturation. Explain what saturation is and provide a biochemical explanation for why it affects the likelihood of a lipid to behave as a liquid at a given temperature. 5) a) Proteins have multiple "levels" of structural complexity. Match the type of chemical bond on the left with the level of protein structure that they are specifically involved in maintaining on the right. (Note that more than one letter may apply to each structural level and that each letter may be used more than once or not at all). a. disulphide bonds Tertiary structure b. hydrogen bonds Primary structure c. ionic bonds Quaternary structure d. peptide bonds Secondary structure
Describe in no more than ten sentences the four levels of protein structure, and cite the noncovalent force(s) in each.
Describe in no more than ten sentences the four levels of protein structure, and cite the non-covalent force(s) in each level.

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Biomolecules - Protein - Amino acids; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=ySNVPDHJ0ek;License: Standard YouTube License, CC-BY