Essays Tagged: "catalyze"
Asymmetric Epoxidation of Dihydronaphthalene with a Synthesized Jacobsen's Catalyst
Mn(OAc)2*4H2O and LiCl to form Jacobsen's catalyst. The synthesized Jacobsen's catalyst was used to catalyze the epoxidation of dihydronaphthalene. The products of this reaction were isolated, and it ... ductionIn 1990, professor E.N. Jacobsen reported that chiral manganese complexes had the ability to catalyze the asymmetric epoxidation of unfunctionalized alkenes, providing enantiomeric excesses tha ...
Subjects: Science Essays > Chemistry
"All the King's Men" by Robert Penn Warren.
ting a bribe from the American Electric Power Company, and Jack digging for dirt on Judge Irwin all catalyze a chain of events that completely nullify Jack's consoling theory of the Great Twitch.Jack, ... aphor likening history to a semiconscious spider, never fails in its duty to administer justice, to catalyze the consequences, when someone acts or brushes "the web of things" (189). When Ellis Burden ...
Subjects: Literature Research Papers > North American
What enzymnes are?
ent enzymes existing in the world. These enzymes are grouped according to the type of reaction they catalyze, (speed up). There are a thousand different reactions taking place in an individual cell an ... tions such as the digestion of proteins to amino acids to take place.Another group that enzymes can catalyze into are the lysases, where the process of the elimination of a group to form a double bond ...
Subjects: Humanities Essays > Health & Medicine
Alcohol's Effects on the Liver
thereby becoming NADH. Thus when alcohol is metabolized, NAD diminishes and NADH increases. Enzymes catalyze the addition of hydroxyl groups to drugs and poisons, thereby making them soluble in the cy ...
Subjects: Science Essays > Biology > Human Biology
Archibald Garrod
bstances. Garrod concluded that patients suffering from alkaptonuria lacked the enzyme necessary to catalyze this breakdown. He speculated that many other inherited diseases might also reflect enzyme ...
Subjects: Science Essays > Biology
Acid Rain.
ouds and especially in heavily polluted air where other compounds such as ammonia and ozone help to catalyze the reaction, changing more sulfur dioxide to sulfuric acid. However, not all of the sulphu ...
Subjects: Science Essays > Chemistry
Catalase essay
tions. These biological catalysts are important because they speed up the rate of the reaction they catalyze that would otherwise be too slow to support life. Catalase is an enzyme present in the cell ... es, more of the reacting molecules have the kinetic energy required to undergo the reaction. Enzyme catalyzed reactions also tend to go faster with increasing temperature until a temperature optimum i ...
Subjects: Science Essays > Biology
Specificity and Catalytic Effectiveness of Enzymes
zyme changes shape slightly, creating an induced fit between the substrate and active site. Enzymes catalyze a reaction by lowering the activation energy in a reaction.The velocity of an enzyme-cataly ...
Subjects: Science Essays > Biology
Microbial Proteases
with respect to their applications in both physiological and commercial fields. Proteolytic enzymes catalyze the cleavage of peptide bonds in other proteins. Proteases are degradative enzymes which ca ... dispensable by insertional mutagenesis of the gene. Extracts from Lon-deficient E. coli cells still catalyze ATP-dependent proteolysis mediated by a soluble two-component protease, Clp. Two dissimilar ...
Subjects: Science Essays > Biology
How does John Steinbeck set the scene in the first chapter of "Of Mice and Men"?
f people who are in the dark or are weak. In these ways, he attempts to use the paradise setting to catalyze the storyline into the final chapter where most of the descriptions show a predatory and fi ...
Subjects: Literature Research Papers > North American > Authors > John Steinbeck
Antibiotics
ll fails to develop because the final cross-linking reactions that make the cell wall rigid are not catalyzed, an antibiotic such as penicillin can be used to fit into the active site of the enzyme th ... an antibiotic such as penicillin can be used to fit into the active site of the enzyme that was to catalyze such a reaction. As the penicillin attaches, a covalent bond complex is formed that cannot ...
Subjects: Science Essays > Biology
Application of Enzymes
producing these components requires some special helper known as 'enzyme.'Enzymes are proteins that catalyze or accelerate chemical reactions. Enzymes are biochemical catalysts. Almost all processes i ...
Subjects: Science Essays > Biochemistry