Science
ChemistryIntroductory Chemistry: A FoundationConsider the 20 most common amino acids shown in Fig. 21.2. Although you may not be asked to memorize all these structures, it will help your study if you are familiar with them. Choose any five of the amino acids and sketch their structures. Also sketch the formula for a general amino acid. Circle the R group in each of your drawings.
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Consider the 20 most common amino acids shown in Fig. 21.2. Although you may not be asked to memorize all these structures, it will help your study if you are familiar with them. Choose any five of the amino acids and sketch their structures. Also sketch the formula for a general amino acid. Circle the R group in each of your drawings.

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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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Section
Problem 1ALQ
Problem 2ALQ
Problem 3ALQ
Problem 4ALQ
Problem 5ALQ
Problem 6ALQ
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Chapter 21, Problem 5QAP
Textbook Problem

Consider the 20 most common amino acids shown in Fig. 21.2.

Although you may not be asked to memorize all these structures, it will help your study if you are familiar with them. Choose any five of the amino acids and sketch their structures. Also sketch the formula for a general amino acid. Circle the R group in each of your drawings.

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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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