Complete the following sentences about oxaloacetate. Match the words in the left column to the appropriate blanks in the sentences on the right. Submit non-competitive competitive not similar similar active site allosteric site increasing decreasing Request Answer Phenethyl isothiocyanate would be a reversible phenethyl isothiocyanate is As a enzyme. to the structure of ibuprofen a13. inhibitor because the structure of inhibitor, phenethyl isothiocyanate would bind away from the Reset Help By the substrate for the reaction, the effect of the of the the concentration of the chemical reagents that remove phenethyl isothiocyanate, inhibitor would be reversed.

Complete the following sentences about oxaloacetate. Match the words in the left column to the appropriate blanks in the sentences on the right. Submit non-competitive competitive not similar similar active site allosteric site increasing decreasing Request Answer Phenethyl isothiocyanate would be a reversible phenethyl isothiocyanate is As a enzyme. to the structure of ibuprofen a13. inhibitor because the structure of inhibitor, phenethyl isothiocyanate would bind away from the Reset Help By the substrate for the reaction, the effect of the of the the concentration of the chemical reagents that remove phenethyl isothiocyanate, inhibitor would be reversed.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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- MULTIPLE CHOICE - Please answer properly QUESTION : Which of the following best describes the relationship between a reactant molecule and an enzyme? A. it is a permanent mutual alteration of structure B. it is one in which the enzyme is changed permanently C. it is an association stabilized by a covalent bond D. it is a temporary association
. H2 + CH2 = CH2 --> CH3CH3Which of the following could be a substrate for an enzyme that has an induced-fit active site and catalyzes the reaction above? a. CH3_OH b. CH2=CH_CH3 c. CH3_O_CH2CH3 d. none of the above
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In the Part II figure, showing the structure of the toxic South American rattlesnake peptide (see below), residue 4 interacts with residue 36 via a covalent bond. N Cys11 Cys36 Cys4 C Cys37 Cys18 2 Identify the nature of this bond and state whether it would be most likely to be found if the peptide is exposed to an oxidizing or a reducing environment.
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Examine this depiction of the initial steps of catalysis for a proteolytic enzyme. Oxyanion hole 93 with In 1-2 sentences, describe the role being played by the amino acid hydroxyl side chain in the step labeled 2. In 1-2 sentences, describe the role of the oxyanion hole. In 1-2 sentences, describe the role of the His is the step labeled 3.
Examination of the cleavage of the amide substrate shown by chymotrypsin with the use of stopped-flow kinetic methods reveals no burst. The reaction is monitored by noting the color produced by the release of the amino part of the substrate (highlighted in orange). Why is no burst observed with the amide substrate? H₂C H₂C I!!! 4 The formation of the acyl-enzyme intermediate is slower than the hydrolysis of the acyl-enzyme intermediate. Chymotrypsin can cleave ester substrates, but it cannot cleave amide substrates. Acyl-enzyme intermediate hydrolysis occurs much more slowly than acyl-enzyme intermediate formation. The colored product remains attached to the enzyme after the acyl-enzyme intermediate is hydrolyzed. NO O....2
Part A Which of these is irreversible and why? Match the items in the left column to the appropriate blanks in the sentences on the right. replacement of an ion Submit an ionic bond de Feedback a covalent bond reaction with side chains ion exchange Request Answer When substrate is excluded or the catalytic reaction is blocked. When The The occurs between the active site (containing cystein) and the inhibitor (lead), the occurs and the inhibitor (lead) replaces another ion. is an example of a permanent, irreversible change. Reset Help is an example of a change that can be reversed.
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Is it the Mg+2 ion interacting with this new substrate?
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