EBK HUMAN PHYSIOLOGY
15th Edition
ISBN: 9781260163049
Author: Fox
Publisher: MCGRAW HILL BOOK COMPANY
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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
EBK 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_forwardGelatin is a mixture of protein and water that is mostly water.Explain how the water-protein mixture becomes a solid.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
- The 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_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
- Proteins are polymers of amino acids that fold in which three dimensions?arrow_forwardIf the protein you are studying is known to bind the molecule shown below, what types of amino acids would you expect to be forming interactions at each of the numbered positions. Explain your reasoning for your choices 2 0 N* H- H H. 4. 3. 1,arrow_forwardDescribe the levels of structure of a protein and tell how they would be affected by: a. Hydrolysis with 6M HCl (breaks peptide bond)b. Heating with mercaptoethanol (breaks hydrogen bonds)arrow_forward
- Slightly heating a protein can render it nonfunctional, but a polysaccharide requires a boiling acidic bath. Explain why such vast differencesarrow_forwardYou have discovered a new amino acid that you name in honor of your favorite course. Twofourteeninine has an alpha-amino and an alpha-carboxylic group, and an ionizable side chain that carries an amino group. A titration curve of twofourteeninine is shown below. Net charge a P I 1 2 I 3 4 5 6 pH T 9 10 11 12 13 What are the approximate pKa values of twofourteeninine (to the nearest half-pH unit)? Check all that apply.arrow_forwardWhat is the molecular weight of an average protein? Explain the reasoning.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