Chemistry: An Introduction to General, Organic, and Biological Chemistry (13th Edition)
13th Edition
ISBN: 9780134421353
Author: Karen C. Timberlake
Publisher: PEARSON
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Textbook Question
Chapter 16.1, Problem 16.7PP
Draw the strcture for each of the following amino acids at physiclogical pH:
- Glycine
- T
- Glutamate
- Phe
16.7 Classify each of the amino acids in problem 16.5 as polar or nonpolar. If polar, indicate if the R group is neutral, acidic, or basic. Indicate if each is hydrophobic.
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1. When an amino acid has a negative charge coming from the carboxylic acid or a positive charge
coming from the amine controlled by pH, this is known as an isoelectric point:
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2. When an amino acid has a negative charge coming from the carboxylic acid or a positive charge
coming from the amine controlled by pH, this is known as an isoelectric point:]
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false
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This amino acid belongs to a "basic amino acid" (at neutral pH).
Molecule "A"
COO™
I
H₂N-C-H
CH₂
Molecule "D"
COO
H₂N-C-H
CH₂
H₂N
O structure A
O
O
structure B
structure C
structure D
structure E
structure F
Molecule "B"
COO™
+
H₂N-C-H
H-C-OH
CH 3
Molecule "E"
COO
H₂N-C-H
CH₂
C NH
C-N
CH
Molecule "C"
COO™
H₂N-C-H
CH₂
OH
Molecule "F"
COO™
H₂N-C-H
CH₂
|
COO™
Choose the set of letters corresponding to the BEST answer.
-an achiral amino acid
-a basic amino acid
-an acidic amino acid
-a cyclic amino acid
Chapter 16 Solutions
Chemistry: An Introduction to General, Organic, and Biological Chemistry (13th Edition)
Ch. 16.1 - Classify each of the following proteins according...Ch. 16.1 - Prob. 16.2PPCh. 16.1 - Prob. 16.3PPCh. 16.1 - Prob. 16.4PPCh. 16.1 - Draw the structure for each of the following amino...Ch. 16.1 - Draw the structure for each of the following amino...Ch. 16.1 - Draw the strcture for each of the following amino...Ch. 16.1 - Prob. 16.8PPCh. 16.1 - Prob. 16.9PPCh. 16.1 - Prob. 16.10PP
Ch. 16.2 - Prob. 16.11PPCh. 16.2 - Prob. 16.12PPCh. 16.2 - Prob. 16.13PPCh. 16.2 - Prob. 16.14PPCh. 16.2 - Prob. 16.15PPCh. 16.2 - Prob. 16.16PPCh. 16.3 - Prob. 16.17PPCh. 16.3 - Prob. 16.18PPCh. 16.3 - Prob. 16.19PPCh. 16.3 - Prob. 16.20PPCh. 16.3 - What type of interaction would you expect between...Ch. 16.3 - What type of interaction would you expect between...Ch. 16.3 - Prob. 16.23PPCh. 16.3 - Prob. 16.24PPCh. 16.3 - Prob. 16.25PPCh. 16.3 - Prob. 16.26PPCh. 16.3 - Prob. 16.27PPCh. 16.3 - Indicate the changes in secondary and tertiary...Ch. 16.4 - Why do chemical reactions in the body require...Ch. 16.4 - Prob. 16.30PPCh. 16.4 - Prob. 16.31PPCh. 16.4 - Prob. 16.32PPCh. 16.4 - Prob. 16.33PPCh. 16.4 - Prob. 16.34PPCh. 16.4 - Prob. 16.35PPCh. 16.4 - 16.36 Match the terms (1) active site, (2)...Ch. 16.4 - Prob. 16.37PPCh. 16.4 - Prob. 16.38PPCh. 16.4 - Prob. 16.39PPCh. 16.4 - Prob. 16.40PPCh. 16.4 - For problems 16.39 to 16.42, see Chemistry Link to...Ch. 16.4 - Prob. 16.42PPCh. 16.5 - Trypsin, a peptidase that hydrolyzes polypeptides,...Ch. 16.5 - pepsin, a peptidase that hydrolyzes proteins,...Ch. 16.5 - The following graph shows the activity versus pH...Ch. 16.5 - The following graph shows the activity versus pH...Ch. 16.5 - Prob. 16.47PPCh. 16.5 - Prob. 16.48PPCh. 16.5 - Prob. 16.49PPCh. 16.5 - Prob. 16.50PPCh. 16.5 - What is the chemical formula for hydroxyurea?Ch. 16.5 - What is the molar mass of hydroxyurea?Ch. 16.5 - Prob. 16.53PPCh. 16.5 - Prob. 16.54PPCh. 16 - Prob. 16.55UTCCh. 16 - Prob. 16.56UTCCh. 16 - Prob. 16.57UTCCh. 16 - Prob. 16.58UTCCh. 16 - 16.59 Identify the amino acids and type of...Ch. 16 - What type of interaction would you expect between...Ch. 16 - Draw the condensed structural formula for...Ch. 16 - Draw the condensed structural formula for...Ch. 16 - Seed and vegetables are often deficient in one or...Ch. 16 - 16.64 Seeds and vegetables are often deficient in...Ch. 16 - Prob. 16.65APPCh. 16 - Prob. 16.66APPCh. 16 - Prob. 16.67APPCh. 16 - Prob. 16.68APPCh. 16 - Prob. 16.69APPCh. 16 - Why do enzymes function only under mild...Ch. 16 - Prob. 16.71APPCh. 16 - Prob. 16.72APPCh. 16 - Prob. 16.73APPCh. 16 - Prob. 16.74APPCh. 16 - Prob. 16.75APPCh. 16 - Prob. 16.76APPCh. 16 - Prob. 16.77APPCh. 16 - Prob. 16.78APPCh. 16 - If a blood test indicates a high level of LDH and...Ch. 16 - Prob. 16.80APPCh. 16 - Prob. 16.81CPCh. 16 - Prob. 16.82CP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Answer the following questions about the amino acid whose Fischer projection formula is a. Is it a D-amino acid or an L-amino acid? b. Is it a nonpolar or polar amino acid? c. Is it an essential or nonessential amino acid? d. Is it a standard or nonstandard amino acid?arrow_forwardAre negatively charged amino acids acidic or basic and why? Are positively charged amino acids acidic or basic and why? Thank you.arrow_forwardWhat type of amino acid has a side chain that contains –COO–? polar neutral nonpolar acidic basic conjugate basicarrow_forward
- Define Acid–Base Properties of amino acid ?arrow_forward1. Draw the structure of the amino acid in a) acidic solution at a pH below the isoelectric point b) basic solution at a pH above the isoelectric point HN-CH-C-O CH, T CH CH, CH,arrow_forwardH₂N. The isoelectric point of an amino acid is defined as: A) the pH where the amino acid's carboxyl group is uncharged B) the pH of maximum electrolytic mobility C) the pH where the amino acid's amino group is uncharged D) the pH where the amino acid has a net charge of zero Click to Flip Circle the amino acid below with the lowest isoelectric point. + H₂N H₂N H₂N H₂N wile while whhe wide SH oe Click to Flip HN H₂N. Circle the amino acid below with the highest isoelectric point. Click to Flip NH3 H₂N. ΝΗ H₂N NH₂ Click to Flip H3N. The best way to describe alanine in solution at pH 6 is: A) a cation B) a zwitterion C) an anion D) an isotope H₂N NHarrow_forward
- Draw the form in which glutamate exists at pH=0arrow_forward6 Classify the following amino acids as nonpolar, polar but neutral, acidic, or basic. ces (a) Arginine (c) Glutamic acid (e) Tyrosine (g) Glycine (b) Leucine (d) Asparagine og ATS Phenylalanine da (f) (d)arrow_forwardChoose from A-F. Two of this amino acid can react with each other (anoxidation reaction) and form a covalent bond. COO CO0 H3 N-C-H H3N-C-H CH2 H2N CH 2 H-C-OH CH2 H2C CH2 CH3 CH3 Choice "A" Choice "B" Choice "C" COO- Co0 COO H,N-C-H H3N-C-H CH2 CH2 CH2 C=CH C-NH NH SH CH Choice "D" Choice "E" Choice "F"arrow_forward
- 3. How is the following amino acid classified? H2N-CHC-OH CH2 C=0 ОН a. nonpolar b. polar neutral c. polar acidic d. polar basicarrow_forwardWhat is the structure of the amino acid leucine at pH 12? A) Н.N— CH- С—ОН ÇH2 CH-CH3 CH3 B) H,N CH-C-O ÇH, ÇH-CH3 CH3 C) H,N CH-C-OH ÇH2 CH-CH3 CH3 D) H,N-CH-C- CH2 CH-CH3 CH МасВоok Airarrow_forwardChoose from A-F. Two of this amino acid can react with each other (anoxidation reaction) and form a covalent bond. CO- COO COO H3N-C-H H,N-C-H CH2 H2N CH 2 Н-С—он CH2 H2C CH2 CH3 CH3 Choice "A" Choice "B" Choice "C" Coo H,N-C-H H,N-C-H H3N-C-H CH2 CH2 C=CH NH CH2 C-NH | CH SH C-N H Choice "E" Choice "F" Choice "D"arrow_forward
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