General, Organic, & Biological Chemistry
3rd Edition
ISBN: 9780073511245
Author: Janice Gorzynski Smith Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 21, Problem 21.38P
Which of the following Fischer projections represent naturally occurring amino acids? Name each amino acid and designate it as a D or L isomer.
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Chapter 21 Solutions
General, Organic, & Biological Chemistry
Ch. 21.2 - In addition to the amino and carboxyl groups, what...Ch. 21.2 - Draw both enantiomers of each amino acid in...Ch. 21.2 - Prob. 21.3PCh. 21.3 - Draw the structure of the amino acid valine at...Ch. 21.3 - Identify the amino acid shown with all uncharged...Ch. 21.4 - Identify the N-terminal and C-terminal amino acid...Ch. 21.4 - Prob. 21.7PCh. 21.4 - Prob. 21.8PCh. 21.4 - Prob. 21.9PCh. 21.4 - Prob. 21.10P
Ch. 21.4 - Prob. 21.11PCh. 21.5 - Prob. 21.12PCh. 21.6 - Prob. 21.13PCh. 21.6 - Prob. 21.14PCh. 21.6 - Prob. 21.15PCh. 21.7 - Why is hemoglobin more water soluble than ...Ch. 21.8 - Prob. 21.17PCh. 21.8 - Prob. 21.18PCh. 21.9 - Prob. 21.19PCh. 21.9 - Prob. 21.20PCh. 21.9 - Prob. 21.21PCh. 21.9 - Prob. 21.22PCh. 21.10 - Prob. 21.23PCh. 21.10 - Prob. 21.24PCh. 21.10 - Prob. 21.25PCh. 21.10 - Prob. 21.26PCh. 21.10 - Prob. 21.27PCh. 21.10 - Prob. 21.28PCh. 21.10 - Prob. 21.29PCh. 21.11 - Prob. 21.30PCh. 21 - The amino acid alanine is a solid at room...Ch. 21 - Why is phenylalanine water soluble but...Ch. 21 - Draw the structure of a naturally occurring amino...Ch. 21 - Draw the structure of a naturally occurring amino...Ch. 21 - For each amino acid: [1] draw the L enantiomer in...Ch. 21 - For each amino acid: [1] draw the L enantiomer in...Ch. 21 - Draw both enantiomers of each amino acid and label...Ch. 21 - Which of the following Fischer projections...Ch. 21 - For each amino acid: [1] give the name; [2] give...Ch. 21 - For each amino acid: [1] give the name; [2] give...Ch. 21 - (a) Identify the amino acid shown with all...Ch. 21 - Prob. 21.42PCh. 21 - Prob. 21.43PCh. 21 - Draw the structure of the neutral, positively...Ch. 21 - Prob. 21.45PCh. 21 - Prob. 21.46PCh. 21 - (a) Draw the structure of the two possible...Ch. 21 - Prob. 21.48PCh. 21 - Prob. 21.49PCh. 21 - For each tripeptide: [1] draw the structure of the...Ch. 21 - Prob. 21.51PCh. 21 - For each tripeptide: [1] identify the amino acids...Ch. 21 - Prob. 21.53PCh. 21 - Prob. 21.54PCh. 21 - Prob. 21.55PCh. 21 - Prob. 21.56PCh. 21 - Prob. 21.57PCh. 21 - Prob. 21.58PCh. 21 - Prob. 21.59PCh. 21 - Prob. 21.60PCh. 21 - Prob. 21.61PCh. 21 - Prob. 21.62PCh. 21 - What type of intermolecular forces exist between...Ch. 21 - What type of interaction occur at each of the...Ch. 21 - Prob. 21.65PCh. 21 - Draw the structures of the amino acids tyrosine...Ch. 21 - Prob. 21.67PCh. 21 - Prob. 21.68PCh. 21 - Prob. 21.69PCh. 21 - Prob. 21.70PCh. 21 - Prob. 21.71PCh. 21 - Hydrogen bonding stabilizes both the secondary and...Ch. 21 - Prob. 21.73PCh. 21 - Prob. 21.74PCh. 21 - Prob. 21.75PCh. 21 - Prob. 21.76PCh. 21 - What class of enzyme catalyzes each of the...Ch. 21 - What class of enzyme catalyzes each of the...Ch. 21 - Prob. 21.79PCh. 21 - Prob. 21.80PCh. 21 - Prob. 21.81PCh. 21 - What kind of reaction is catalyzed by each of the...Ch. 21 - Prob. 21.83PCh. 21 - How will each of the following changes affect the...Ch. 21 - Prob. 21.85PCh. 21 - Prob. 21.86PCh. 21 - Prob. 21.87PCh. 21 - Prob. 21.88PCh. 21 - Prob. 21.89PCh. 21 - Prob. 21.90PCh. 21 - Prob. 21.91PCh. 21 - Prob. 21.92PCh. 21 - Why must vegetarian diets be carefully balanced?Ch. 21 - Prob. 21.94PCh. 21 - Sometimes an incision is cauterized (burned) to...Ch. 21 - Why is insulin administered by injection instead...Ch. 21 - Prob. 21.97PCh. 21 - The silk produced by a silkworm is a protein with...Ch. 21 - Explain the difference in the mechanism of action...Ch. 21 - Prob. 21.100PCh. 21 - Prob. 21.101CPCh. 21 - Suggest a reason for the following observation....
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- To which family of mirror-image isomers do nearly all naturally occurring amino acids belong?arrow_forwardFor the tripeptide GlyAlaCys a. What amino acid is located at the peptides N-terminal end? b. What amino acid is located at the peptides C-terminal end? c. How many peptide bonds are present? d. How many amide linkages are present?arrow_forwardAt room temperature, amino acids are solids with relatively high decomposition points. Explain why.arrow_forward
- Consider the tripeptide leucylvalyltryptophan. a. Specify its structure using three-letter symbols for the amino acids. b. How many peptide bonds are present within the peptide? c. Which of the amino acid residues has the largest R group? d. Which of the amino acid residues, if any, has a basic side chain?arrow_forwardWhat special role does the amino acid cysteine have in the peptides vasopressin and oxytocin?arrow_forwardWhich of the following are true concerning the chemical bond that forms between the carboxyl (RCOOH) group of one amino acid and the amino (RCNH2) group of another? a.The bond is called a peptide bond. b.It is formed by inserting a water molecule between them. c.It is formed by a dehydration reaction. d.A polypeptide has more of these bonds than a protein.arrow_forward
- For the tripeptide SerArgIle which amino acid residues a. are hydrophilic b. are hydrophobic c. possess polar neutral R groups d. participate in two amide linkagesarrow_forwardWhat characteristics indicate that amino acids exist as zwitterions?arrow_forwardConsider the tripeptide tyrosylleucylisoleucine. a. Specify its structure using three-letter symbols for the amino acids. b. How many peptide bonds are present within the peptide? c. Which of the amino acid residues has the largest R group? d. Which of the amino acid residues, if any, has an acidic side chain?arrow_forward
- Give one example of a conjugated protein that contains the following prosthetic group: a.iron b.lipid c.phosphate group d.carbohydrate e.hemearrow_forwardFor the tripeptide AlaValGly which amino acid residues, if any, a. are hydrophilic b. are hydrophobic c. possess nonpolar R groups d. participate in two amide linkagesarrow_forwardWhich of the following describes the primary structure of proteins? a. The collective shape assumed by all of the chains in a protein containing multiple chains. b. The folding of an individual protein molecule. c. The regular repeated shape of the protein molecules backbone. d. The sequence of amino acids bonded together by peptide bonds.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