BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Textbook Question
Chapter 2, Problem 15WIO
Complete and explain the following analogy: a protein is a knitted sweater as a denatured protein is to a ___.
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A
C2
G
This a photograph of an actual polyacrylamide gel that has been run with samples of protein. For each
question, write the letter from the item in the gel that best matches the word or concept that is
described. Answers may be used once, more than once, or not at all. There may be more than one
correct answer per question.
1. Band
2. Lane
3. Well
4. Will protein migrate through the gel from A to B or will it migrate from B to A?
5. Which end is nearest the negative electrode, A or B?
6. Which contains smaller protein fragments, F or G?
7. Which letter indicates the highest concentration of protein fragments that are the same size
8. Where would a sample of protein be loaded?
B.
Physical methods are often used to determine protein conformation. Describe how x-ray crystallography, cryoelectron microscopy, and NMR spectroscopy can be used to determine the shapes of proteins. What are the advantages and disadvantages of each method? Which is better for small proteins? Large proteins? Huge macromolecular assemblies?
Denatured protein is in a low energy state. What sort of explanation can you use to rationalize that statement? Hint: consider Gibbs free energy.
Chapter 2 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 2.1 - Which four chemical elements do organisms require...Ch. 2.1 - Prob. 2MCCh. 2.1 - Prob. 3MCCh. 2.1 - Prob. 4MCCh. 2.1 - How are the isotopes of an element different from...Ch. 2.2 - How are atoms, molecules, and compounds related?Ch. 2.2 - How does the number of valence electrons determine...Ch. 2.2 - Prob. 3MCCh. 2.3 - Prob. 1MCCh. 2.3 - Prob. 2MC
Ch. 2.3 - Prob. 3MCCh. 2.3 - Prob. 4MCCh. 2.3 - Prob. 5MCCh. 2.3 - Prob. 6MCCh. 2.4 - Prob. 1MCCh. 2.4 - Prob. 2MCCh. 2.4 - Prob. 3MCCh. 2.5 - Prob. 1MCCh. 2.5 - Prob. 2MCCh. 2.5 - Prob. 3MCCh. 2.5 - What are some differences between RNA and DNA?Ch. 2.5 - Prob. 5MCCh. 2.5 - Prob. 6MCCh. 2.5 - List an example of a carbohydrate, protein,...Ch. 2 - Prob. 1MCQCh. 2 - How many neutrons does a carbon-14 atom have in...Ch. 2 - An ionic bond forms when a. an electrical...Ch. 2 - Prob. 4MCQCh. 2 - Prob. 5MCQCh. 2 - A hydrogen bond is distinct from ionic and...Ch. 2 - A hydrophilic substance is one that can a. form...Ch. 2 - Prob. 8MCQCh. 2 - Prob. 9MCQCh. 2 - ______ are monomers that form polymers called...Ch. 2 - Describe how the number of protons, neutrons, and...Ch. 2 - The vitamin biotin contains 10 atoms of carbon, 16...Ch. 2 - Prob. 3WIOCh. 2 - Distinguish between nonpolar covalent bonds, polar...Ch. 2 - Prob. 5WIOCh. 2 - Prob. 6WIOCh. 2 - Prob. 7WIOCh. 2 - Prob. 8WIOCh. 2 - Prob. 9WIOCh. 2 - Define solute, solvent, and solution.Ch. 2 - How do hydrogen ions relate to the pH scale?Ch. 2 - Prob. 12WIOCh. 2 - Prob. 13WIOCh. 2 - Prob. 14WIOCh. 2 - Complete and explain the following analogy: a...Ch. 2 - Prob. 16WIOCh. 2 - You eat a sandwich made of starchy bread, ham, and...Ch. 2 - Prob. 18WIOCh. 2 - Review Burning Question 2.2, which describes the...Ch. 2 - Review Why We Care 2.1, which describes acids and...Ch. 2 - Compare the Survey the Landscape figure in the...Ch. 2 - How do ions and isotopes fit into this concept...Ch. 2 - Prob. 3PITCh. 2 - Prob. 4PIT
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Physical methods are often used to determine protein conformation. Describe how x-ray crystallography, cryo electron microscopy, and NMR spectroscopy can be used to determine the shapes of proteins. What are the advantages and disadvantages of each method? Which is better for small proteins? Large proteins? Huge macromolecular assemblies?arrow_forwardGive at least 10 functions of protein and describe each function. Cite an example for each function if there are any.arrow_forwardThe protein will lose its conformation when denatured by some factors such as a big change in pH and this will lead to the loss of protein function even when the denaturing agent is removed. Select one: O True O Falsearrow_forward
- By increasing the percentage of acrylamide in an SDS-PAGE gel, one will observe the following change in the range of molecular weights of the observed proteins. Decreased range of molecular weights observed. No change in range of molecular weights observed. Increased range of molecular weights observedarrow_forwardWhich of the following statements best describe(s) the mechanism by which correct protein folding takes place once the misfolded protein binds the open ring of groEL? Select all that apply. The groEL ring closes to isolate the protein and provide enough time for the protein to properly fold on its own. b and d The groEL ring closes to provide a hydrophilic space to isolate the protein and inhibit its aggregation with others until properly folded. The groEL ring closes to isolate the protein and provide steric hindrance that mechanically refolds the protein. The groEL ring closes to isolate the protein and decode the information necessary to achieve the correct three-dimensional structure. None of the above I picked "The groEL ring closes to provide a hydrophilic space..." but it was incorrect..arrow_forwardProteins can be separated into 9 general classifications based on the role they play in a cell. List or briefly describe two of these functional classifications and provide an example of a protein that falls into each of those two categories.arrow_forward
- Solve only the specific amino acid number and percent (%) Difference. Thank you so much♥arrow_forward, calculate the average amino acid residue weight in a protein of typical composition. This is a useful number to know for approximate calculations.arrow_forwardIn your own words discuss the different structures (primary, secondary, tertiary, and Quaternary structures) of protein. What are the five factors that promote protein folding and stability. (Hint: One factor is the Hydrogen bond). Extra Hint: Another factor is the Hydrophobic effect. Do not just copy and paste from other sources/websites/books/articles/etc.arrow_forward
- Describe as completely as possible, the four levels of protein What type of bonds hold a protein together at the primary level? What type of bonds maintain the protein at the secondary and tertiary level? Give an example of secondary, tertiary, and quarternary level proteins. At which level is the protein functional? What happens (at a molecular level) when a protein is denatured?arrow_forwardDenaturation of protein is a loss of protein structure. Given enough time, can all denatured protein spontaneously renature? Justify answerarrow_forwardYou are given a protein solution with a concentration of 0.15 mg/ml. Suppose that we want to prepare a solution containing 100 μg of the protein at a concentration of 1 mg/ml. To achieve this, we will first dry down enough protein solution to obtain 100 μg of proteins. How much solution do we need for drying down? How much volume of H2O do we need to add to the dried protein to obtain the desired concentration?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