Biochemistry
9th Edition
ISBN: 9781305961135
Author: Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Publisher: Cengage Learning
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Chapter 6, Problem 3RE
MATHEMATICAL Catalase breaks down hydrogen peroxide about
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12. When glutamic acid is heated to 180°C., it loses a molecule of water to form a
lactam. The bond that creates the lactam is an amide bond that forms between the
amino nitrogen and the carbon of the side chain -COOH group. What is the most
reasonable structure for this lactam? (NOTE: The structure of glutamic acid is shown
in Question 1.)
COOH
COOH
ا کچھ جو کچھ
C
D
COOH
B
COOH
E
COOH
10. Which one of the
following compounds is
the major organic product
of the series of reactions
shown here?
Ph
A
OH
Ph
B
CO₂Et
Br
-H
Ν ΚΑ
CO₂Et
1. NaOEt
1. NaOH, H₂O
2. H3O+
2. PhCH2CH2Br
3. heat
NH2
Ph
OH
NH2
0
OH
Ph
OH
NH2
Ph
D
NH2
E
OH
1. What is the isoelectric point of glutamic acid?
(Glutamic acid has pKa1 2.10, pKa2 4.07, pKaз 9.47)
A) pH 2.1
D) pH 6.8
B) pH 3.1
C) pH 4.1
E) pH 9.5
HO
NH2
Glutamic acid
(shown without charges)
OH
Chapter 6 Solutions
Biochemistry
Ch. 6 - RECALL How does the catalytic effectiveness of...Ch. 6 - RECALL Are all enzymes proteins?Ch. 6 - MATHEMATICAL Catalase breaks down hydrogen...Ch. 6 - REFLECT AND APPLY Give two reasons why enzyme...Ch. 6 - RECALL For the reaction of glucose with oxygen to...Ch. 6 - REFLECT AND APPLY Would nature rely on the same...Ch. 6 - REFLECT AND APPLY Suggest a reason why heating a...Ch. 6 - REFLECT AND APPLY A model is proposed to explain...Ch. 6 - REFLECT AND APPLY Does the presence of a catalyst...Ch. 6 - REFLECT AND APPLY What effect does a catalyst have...
Ch. 6 - REFLECT AND APPLY An enzyme catalyzes the...Ch. 6 - REFLECT AND APPLY Can the presence of a catalyst...Ch. 6 - RECALL For the hypothetical reaction 3A+2B2C+3D...Ch. 6 - REFLECT AND APPLY The enzyme lactate dehydrogenase...Ch. 6 - REFLECT AND APPLY Would you use a pH meter to...Ch. 6 - REFLECT AND APPLY Suggest a reason for carrying...Ch. 6 - RECALL Distinguish between the lock-and-key and...Ch. 6 - RECALL Using an energy diagram, show why the...Ch. 6 - REFLECT AND APPLY Other things being equal, what...Ch. 6 - REFLECT AND APPLY Amino acids that are far apart...Ch. 6 - REFLECT AND APPLY If only a few of the amino acid...Ch. 6 - RECALL Show graphically how the reaction velocity...Ch. 6 - RECALL Define steady state, and comment on the...Ch. 6 - RECALL How is the turnover number of an enzyme...Ch. 6 - MATHEMATICAL For an enzyme that displays...Ch. 6 - MATHEMATICAL Determine the values of KM and Vmax...Ch. 6 - MATHEMATICAL The kinetic data in the following...Ch. 6 - MATHEMATICAL The enzyme -methylaspartase catalyzes...Ch. 6 - MATHEMATICAL The hydrolysis of a...Ch. 6 - MATHEMATICAL For the Vmax obtained in Question 26,...Ch. 6 - MATHEMATICAL You do an enzyme kinetic experiment...Ch. 6 - REFLECT AND APPLY The enzyme D-amino acid oxidase...Ch. 6 - REFLECT AND APPLY Why is it useful to plot rate...Ch. 6 - REFLECT AND APPLY Under what conditions can we...Ch. 6 - BIOCHEMICAL CONNECTIONS Why does acetazolamide...Ch. 6 - BIOCHEMICAL CONNECTIONS How did scientists...Ch. 6 - BIOCHEMICAL CONNECTIONS How do the KM values for...Ch. 6 - Prob. 38RECh. 6 - RECALL What are the three most common mechanisms...Ch. 6 - RECALL What is the biggest difference between a...Ch. 6 - RECALL How do scientists determine the KM of a...Ch. 6 - Prob. 42RECh. 6 - Prob. 43RECh. 6 - RECALL Do all enzymes display kinetics that obey...Ch. 6 - RECALL How can you recognize an enzyme that does...Ch. 6 - RECALL If we describe an enzyme like aspartate...Ch. 6 - RECALL How can competitive and pure noncompetitive...Ch. 6 - RECALL Why does a competitive inhibitor not change...Ch. 6 - RECALL Why does a pure noncompetitive inhibitor...Ch. 6 - RECALL Distinguish between the molecular...Ch. 6 - RECALL Can enzyme inhibition be reversed in all...Ch. 6 - RECALL Why is a Lineweaver-Burk plot useful in...Ch. 6 - RECALL Where do lines intersect on a...Ch. 6 - RECALL What is the difference between pure and...Ch. 6 - REFLECT AND APPLY Why can we say that having a...Ch. 6 - REFLECT AND APPLY When we compare the binding of I...Ch. 6 - RECALL Why does the apparent KM decrease in the...Ch. 6 - RECALL What is a suicide substrate? Why are they...Ch. 6 - RECALL If we made a Lineweaver-Burk plot of an...Ch. 6 - Prob. 60RECh. 6 - MATHEMATICAL For the following aspartase reaction...Ch. 6 - REFLECT AND APPLY Is it good (or bad) that enzymes...Ch. 6 - REFLECT AND APPLY Noncompetitive inhibition is a...Ch. 6 - BIOCHEMICAL CONNECTIONS You have been hired by a...Ch. 6 - REFLECT AND APPLY Would you expect an irreversible...Ch. 6 - REFLECT AND APPLY Would you expect the structure...Ch. 6 - Prob. 67RECh. 6 - Prob. 68RE
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- Br Mg, ether 1. HCHO (formaldehyde) 2. H+, H₂O PCC 1. NH3, HCN ? (pyridinium chlorochromate) 2. H2O, HCI 11. Which one of the following compounds is the major organic product of the series of reactions shown above? Ph. Ph. OH NH2₂ A Ph. Ή NH2 B OH Ph Η Ph OH NH2 NH2₂ NH₂ C D Earrow_forwardB A 6. Which ONE of the labeled bonds in the tripeptide on the right is a peptide bond: H₂N N 'N' OH C H A, B, C, D or E? HN E OHarrow_forwardQuestions 8-9 are 0.4 points each. The next two questions relate to the peptide whose structure is shown here. To answer these questions, you should look at a table of H2N/.. amino acid structures. You don't have to memorize the structures of the amino acids. IZ 8. What is the N-terminal amino acid of this peptide? A) proline B) aspartic acid C) threonine 9. What is the C-terminal amino acid of this peptide? A) proline B) aspartic acid C) threonine N OH D) valine E) leucine D) valine E) leucine NH "OH OHarrow_forward
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