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ChemistryIntroductory Chemistry: A Foundation. Describe the secondary protein structure known as the a -helix. What types of proteins have this secondary structure?
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. Describe the secondary protein structure known as the a -helix. What types of proteins have this secondary structure?

BuyFind

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425
BuyFind

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425

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Chapter
Section
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Problem 4ALQ
Problem 5ALQ
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Chapter 21, Problem 96AP
Textbook Problem

. Describe the secondary protein structure known as the a-helix. What types of proteins have this secondary structure?

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Chapter 21 Solutions

Introductory Chemistry: A Foundation
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Ch. 21.9 - What if water could dissolve nonpolar molecules?...Ch. 21 - Differentiate among primary, secondary, and...Ch. 21 - Draw the structures of the simple dipeptides...Ch. 21 - How are proteins able to provide a buffering...Ch. 21 - What is meant by inhibition of an enzyme? What...Ch. 21 - 5. Differentiate between monosaccharide and...Ch. 21 - Sketch a representation of sucrose and clearly...Ch. 21 - What is a polysaccharide? What monomer unit makes...Ch. 21 - Describe the structure of a typical nucleotide.Ch. 21 - Sketch the structures of the sugars ribose and...
Ch. 21 - . Sketch the general structure of a triglyceride....Ch. 21 - . Describe the mechanism by which fatty acid salts...Ch. 21 - _________ is the study of the chemistry of living...Ch. 21 - What are trace elements, and why are such elements...Ch. 21 - What are proteins? Are proteins polymers? Explain....Ch. 21 - What general functions do fibrous and globular...Ch. 21 - Consider the 20 most common amino acids shown in...Ch. 21 - Consider the amino acids alanine, cysteine, and...Ch. 21 - Nonpolar side chains in a-amino acids tend to be...Ch. 21 - Given the structures of the amino acids in Fig....Ch. 21 - Given the structures of the amino acids alanine...Ch. 21 - . How many unique amino acid sequences are...Ch. 21 - . What is a peptide linkage? Choose two amino...Ch. 21 - . What does the primary structure of a protein...Ch. 21 - . In general terms, what does the secondary...Ch. 21 - . How is the secondary structure of a protein...Ch. 21 - . Describe the secondary structure of the protein...Ch. 21 - . Silk consists of a(n) _________ structure in...Ch. 21 - . In general terms, what does the tertiary...Ch. 21 - . An S—S bond between two cysteine amino acids on...Ch. 21 - . What is meant by denaturation of a protein? Give...Ch. 21 - . What protein is responsible for the transport of...Ch. 21 - . What name is given to proteins that catalyze...Ch. 21 - . What is the name of the protein found in all...Ch. 21 - . What are antibodies? How do they work?Ch. 21 - . How are proteins able to act as buffering agents...Ch. 21 - . How does the efficiency of an enzyme compare...Ch. 21 - . Describe enzyme catalysis as a series of steps,...Ch. 21 - . What name is given to the specific portion of...Ch. 21 - . Describe the lock-and-key model for enzymes. Why...Ch. 21 - . Sketch the straight-chain representations of the...Ch. 21 - . Many of the most important carbohydrates are...Ch. 21 - . Sketch the ring structures of glucose and...Ch. 21 - . What is a hexose sugar? Sketch the...Ch. 21 - . What is a disaccharide? What monosaccharide...Ch. 21 - . Starch and cellulose both are polymers of...Ch. 21 - . Sketch a representation of the disaccharide...Ch. 21 - . In addition to using numerical prefixes in the...Ch. 21 - . _________ carries the information needed for the...Ch. 21 - . RNA molecules, which are found in the cytoplasm...Ch. 21 - . DNA nucleotides contain the pentose _______...Ch. 21 - . Name the live nitrogen bases found in DNA and...Ch. 21 - . Describe the double-helical structure of DNA....Ch. 21 - . The text states that the key to DNA’s...Ch. 21 - . What is a gene?Ch. 21 - . Lipids are a group of substances defined in...Ch. 21 - . What are the four classes of lipids? Give an...Ch. 21 - . Sketch the general structure of a triglyceride....Ch. 21 - . Referring to Table 21.5, give an example of a...Ch. 21 - . Using the general formula for a triglyceride,...Ch. 21 - . Describe the mechanism by which a soap is able...Ch. 21 - . What is a micelle? How do the micelles formed by...Ch. 21 - . What is a steroid? What basic ring structure 15...Ch. 21 - . What types of hormones are synthesized in the...Ch. 21 - . Give the names of several steroid sex hormones,...Ch. 21 - . What are bile acids, and from what are they...Ch. 21 - For Exercises 55-76 choose one of the following...Ch. 21 - For Exercises 55-76 choose one of the following...Ch. 21 - For Exercises 55-76 choose one of the following...Ch. 21 - For Exercises 55-76 choose one of the following...Ch. 21 - For Exercises 55-76 choose one of the following...Ch. 21 - For Exercises 55-76 choose one of the following...Ch. 21 - For Exercises 55-76 choose one of the following...Ch. 21 - For Exercises 55-76 choose one of the following...Ch. 21 - For Exercises 55-76 choose one of the following...Ch. 21 - For Exercises 55—76 choose one of the following...Ch. 21 - For Exercises 55—76 choose one of the following...Ch. 21 - For Exercises 55—76 choose one of the following...Ch. 21 - For Exercises 55—76 choose one of the following...Ch. 21 - For Exercises 55—76 choose one of the following...Ch. 21 - For Exercises 55—76 choose one of the following...Ch. 21 - For Exercises 55—76 choose one of the following...Ch. 21 - For Exercises 55—76 choose one of the following...Ch. 21 - For Exercises 55—76 choose one of the following...Ch. 21 - For Exercises 55—76 choose one of the following...Ch. 21 - For Exercises 55—76 choose one of the following...Ch. 21 - For Exercises 55—76 choose one of the following...Ch. 21 - For Exercises 55—76 choose one of the following...Ch. 21 - . The substance in the nucleus of the cell that...Ch. 21 - . RNA molecules have molar masses in the range of...Ch. 21 - . The pentose deoxyribose is found in DNA, whereas...Ch. 21 - . The basic linkage in DNA or RNA between the...Ch. 21 - . The bases on opposite strands of DNA are said to...Ch. 21 - . In a strand of normal DNA, the base ________ is...Ch. 21 - . A given segment of the DNA molecule, which...Ch. 21 - . During protein synthesis, _________ RNA...Ch. 21 - . The codes specified by ________ are responsible...Ch. 21 - . Write the amino acid sequences possible for a...Ch. 21 - . _________ are esters of the polyhydroxyalcohol...Ch. 21 - . Vegetable oils tend to contain ________ fatty...Ch. 21 - . The process of _________ involves treating a fat...Ch. 21 - . Fatty acid anions make good soaps because they...Ch. 21 - . The aggregations of fatty acid anions that form...Ch. 21 - . Cholesterol, adrenocorticoid hormones, sex...Ch. 21 - . The starting material in the body for the...Ch. 21 - . Referring to Fig. 21.25, what is a common...Ch. 21 - . Cholic acid and other bile acids act as ________...Ch. 21 - . Describe the secondary protein structure known...Ch. 21 - . How many possible primary structures exist for a...Ch. 21 - . List three structural uses of proteins in the...Ch. 21 - . What specific protein carries oxygen from the...Ch. 21 - . Describe the structure of the protein collagen....Ch. 21 - . What is meant by inhibition of an enzyme’? What...Ch. 21 - . What general name is given to sugars containing...Ch. 21 - . Although both starch and cellulose are polymers...Ch. 21 - . In the formation of a polynucleotide (a short...Ch. 21 - . Describe the structure of a wax. Where do waxes...Ch. 21 - . What is a phospholipid? How does the structure...

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