Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Chapter 2, Problem 26RA
Summary Introduction
To review:
Strengths of different types of bonds present in proteins.
Introduction:
Proteins are building blocks of living organisms. Every protein is made up of 20 different types of amino acids. The bond formed between two amino acids is termed a peptide bond and the molecule is known as a peptide. Many peptide units join together to form a large molecule known as polypeptide chain or protein. There are different types of proteins on the basis of their structures and functions.
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Chapter 2 Solutions
Human Physiology
Ch. 2 - List the components of an atom and explain how...Ch. 2 - Describe the nature of nonpolar and polar covalent...Ch. 2 - Define the terms acidic, basic, acid, and base....Ch. 2 - Using chemical equations, explain how bicarbonate...Ch. 2 - Prob. 4CPCh. 2 - Describe the structural characteristic of all...Ch. 2 - Describe the characteristics of a lipid, and...Ch. 2 - Explain, in terms of dehydration synthesis and...Ch. 2 - Relate the functions of phospholipids to their...Ch. 2 - Write the general formula for an amino acid, and...
Ch. 2 - Describe and account for the different levels of...Ch. 2 - Describe the different categories of protein...Ch. 2 - Prob. 10aCPCh. 2 - Prob. 10bCPCh. 2 - Describe the structure of DNA, and explain the law...Ch. 2 - Which of these statements about atoms is true?...Ch. 2 - The bond between oxygen and hydrogen in a water...Ch. 2 - Which of these is a nonpolar covalent bond?...Ch. 2 - Solution A has a pH of 2, and solution B has a pH...Ch. 2 - Glucose is
Ch. 2 - Digestion reactions occur by means of...Ch. 2 - Carbohydrates are stored in the liver and muscles...Ch. 2 - Lecithin is
Ch. 2 - Which of these Lipids have regulatory roles in the...Ch. 2 - The tertiary structure of a protein is directly...Ch. 2 - The type of bond formed between two molecules of...Ch. 2 - The carbon-to-nitrogen bond that joins amino acids...Ch. 2 - Prob. 13RACh. 2 - Prob. 14RACh. 2 - Prob. 15RACh. 2 - Prob. 16RACh. 2 - Prob. 17RACh. 2 - Explain, in terms of dehydration synthesis and...Ch. 2 - Prob. 19RACh. 2 - Prob. 20RACh. 2 - Explain how one DNA molecule serves as a template...Ch. 2 - Prob. 22RACh. 2 - Prob. 23RACh. 2 - From the ingredients listed on a food wrapper, it...Ch. 2 - Prob. 25RACh. 2 - Prob. 26RACh. 2 - Prob. 27RACh. 2 - Prob. 28RACh. 2 - Prob. 29RACh. 2 - The molecular weight is the sum of the atomic...
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- The affinity of hemoglobin for oxygen varies according to the pH of the plasma. In fact, the warmer and more acidic your blood is, the more likely it is that hemoglobin will let go of oxygen. Explain, in terms of the secondary and tertiary structure of protein why this would be so.arrow_forwardHow can a protein’s potential function be determined from a protein’s primary structure? I assumed this was not possible, I thought its function was determined from its 3-dimensional structure only. Thank you for explaining this.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
- Gelatin is a mixture of protein and water that is mostly water.Explain how the water-protein mixture becomes a solid.arrow_forwardDisulfide bonds help to stabilize the three-dimensional structure of proteins. What amino acids are involved in the formation of disulfide bonds? Does the formation of a disulfide bond increase or decrease entropy (ΔS)?arrow_forwardA protein’s shape depends partly on electrical attractions between charged or polarized groups in various regions of the protein. True or false?arrow_forward
- In general, proteins can be classified into 3 different groups. Name and give a short description of each type and how they are distinct from one another. Provide an example of macromolecule or other complex structure representing each of the three types.arrow_forwardDraw the chemical structure of an alanine pentapeptide. Indicate the location of each peptide bond. Label the phi () and psi () dihedral angles. Name and briefly define the four levels of protein structure.arrow_forwardThe following figure is a diagram (cartoon or caricature) of the structure of a protein. What types of secondary structure are observed in the molecule? Is it a globular protein or a fibrous one?arrow_forward
- Name another condition besides heat and exposure to a bond disruptor (like alcohol) that could affect the ability of a protein to maintain its shape. Explain.arrow_forwardThe simple average molecular weight of the 20 common amino acids is 138 , but most biochemists use 110 when estimating the number of amino acids in a protein of known molecular weight. Why do you suppose this is? (Hint: There are two contributing factors to the answer. One of them will be apparent from a brief consideration of the amino acid compositions of common proteins. See, for example, Figure -Bellow)arrow_forwardProteins are polymers of amino acids that fold in which three dimensions?arrow_forward
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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