Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 3, Problem 9TYK
In living systems:
a. proteins rarely combine with other macromolecules.
b. enzymes are always proteins.
c. proteins are composed of 24 amino acids.
d. chaperonins inhibit protein movement.
e. a protein domain refers to the place in the cell where proteins are synthesized and function.
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Chapter 3 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 3.1 - What is the difference between hydrocarbons and...Ch. 3.1 - What is the maximum number of bonds that a carbon...Ch. 3.1 - Do carboxyl groups, amino groups, and phosphate...Ch. 3.1 - What is the difference between a dehydration...Ch. 3.2 - What is the difference between a monosaccharide, a...Ch. 3.3 - What are the three most common lipids in living...Ch. 3.4 - Prob. 1SBCh. 3.4 - What is a peptide bond, and what type of reaction...Ch. 3.4 - Prob. 3SBCh. 3.5 - What is the monomer of a nucleic acid...
Ch. 3.5 - What are the chemical differences between DNA and...Ch. 3 - Which functional group has a double bond and forms...Ch. 3 - Which of the following characteristics is not...Ch. 3 - Cellulose is to carbohydrate as: a. amino acid is...Ch. 3 - Maltose, sucrose, and lactose differ from one...Ch. 3 - Lipids that are liquid at room temperature: a. are...Ch. 3 - Which of the following statements about steroids...Ch. 3 - The term secondary structure refers to a proteins:...Ch. 3 - The first and major effect in denaturation of...Ch. 3 - In living systems: a. proteins rarely combine with...Ch. 3 - RNA differs from DNA because: a. RNA may contain...Ch. 3 - Discuss Concepts Identify the following structures...Ch. 3 - Discuss Concepts Lipoproteins are relatively...Ch. 3 - Prob. 13TYKCh. 3 - Prob. 14TYKCh. 3 - Prob. 15TYKCh. 3 - Prob. 1ITDCh. 3 - Prob. 2ITDCh. 3 - Prob. 3ITD
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- Based on the picture, B. What is the primary function of #5 within a cell? A. Form membranes B. Store energy C. Structural support D. Maintain constant pHarrow_forwardMatch the level of protein structure to its description: Primary Secondary Tertiary Quaternary A. Folding due to interactions among the peptide backbone B. Interactions among multiple polypeptide chains C. Sequence of amino acids D. Folding due to interactions among side chainsarrow_forwardIn biological processes, it is often observed that various molecules interact with a functioning protein. This interaction might occur in which of the following ways: A) at a transport site, B) through a protein portal /channel, C) at a binding site, D) at an active site, E) all of these are examples.arrow_forward
- Protein A is a structural component while Protein B is an enzyme. Which could be characteristics of Protein A and Protein B? A. Protein A could have repetitive amino acid sequence while protein B be could have irregular amino acids. B. Protein B could be a type of collagen while Protein B could be a type of keratin. C. Protein A could be generally soluble in water while Protein B could be insoluble. D. Protein B could contain mainly αlpha-helix while Protein A could contain equal amounts of αlpha-helix and β-sheet. E. Protein A could be a globular protein while Protein B could be a fibrous protein.arrow_forwardThe difference between a polypeptide and a protein is a. that proteins are polypeptides folded up into a functional three-dimensional conformation b. that proteins are precursors of polypeptides c. that polypeptides are made of protein folded up into a functional three-dimensional conformation d. that proteins are always made with many polypeptidesarrow_forwardThis protein adduct can hold (tether) a peripheral membrane protein to the cell membrane: A) A fatty Acid B) A charged amino acid. C) A polar amino acid D) A phosphate grouparrow_forward
- The function of proteins is limited to one or two tasks. Proteins play multiple roles in living things. Match the functions of proteins to their corresponding descriptions. 1. signaling proteins 2. structural proteins 3. sensory proteins 4. regulatory proteins 5. motor proteins a. help cells move throughout the body b. turn genes on and off c. involved in cellular communication d. can detect light, heat, and sound e. proteins that help strengthen cells, tissues, and organsarrow_forwardProteins are the dominant structural and functional molecules in a cell. Which one of the following statements about proteins is NOT correct? A. The native conformation of a protein is usually arrived at very quickly after synthesis. B. Hydrogen bonding is the only type of bonding that gives rise to secondary structure. C. Urea denatures proteins by disrupting the interactions among non-polar (hydrophobic) amino acids D. Most proteins consist of a single polypeptide and thus do not have quaternary structure.arrow_forwardWhich of the following statements is FALSE? Select one: a. Secondary structure of a protein determines how it folds up into a unique three dimensional structure. b. Three dimensional structure of a protein determines the function of a protein. c. Primary structure of a protein determines how it folds up into a unique three dimensional structure. d. Amino acid sequence is absolutely important for a particular protein.arrow_forward
- Four levels of protein structures are described. Using both words AND sketches explain each of the four levels.arrow_forwardWhich of the following types of molecular interactions play a role in protein folding? Select all that apply. A. Covalent bonds B. Hydrogen bonds C. Van der Waals attraction D. Hydrophobic interactionsarrow_forwardList and describe the six functions that proteins provide to cells. Give an example for each functionarrow_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