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Catalase and >
Catalase is a tetramer of four polypeptide chains, each over 500 amino acids long .< ref name = Boon_a > It contains four porphyrin heme ( iron ) groups that allow the enzyme to react with the hydrogen peroxide.

Catalase and hydrogen
* Catalase test on nutrient agar tests for the production of catalase enzyme, which splits hydrogen peroxide and releases oxygen gas.
Catalase can also catalyze the oxidation, by hydrogen peroxide, of various metabolites and toxins, including formaldehyde, formic acid, phenols, acetaldehyde and alcohols.
Catalase is used in the food industry for removing hydrogen peroxide from milk prior to cheese production.
Catalase is also used in the textile industry, removing hydrogen peroxide from fabrics to make sure the material is peroxide-free.
Catalase is an enzyme that catalyzes the breakdown of hydrogen peroxide in many organisms.
Catalase and superoxide dismutase ameliorate the damaging effects of hydrogen peroxide and superoxide by converting these compounds into oxygen and water, benign molecules.
Catalase, which is concentrated in peroxisomes located next to mitochondria, reacts with the hydrogen peroxide to catalyze the formation of water and oxygen.

Catalase and ),
USML-2 Experiments included: the Surface Tension Driven Convection Experiment ( STDCE ), the Drop Physics Module, the Drop Dynamics Experiment ; the Science and Technology of Surface-Controlled Phenomena experiment ; the Geophysical Fluid Flow Cell Experiment ; the Crystal Growth Furnace, the Orbital Processing of High Quality Cadmium Zinc Telluride Compound Semiconductors experiment ; the Study of Dopant Segregation Behavior During the Crystal Growth of Gallium Arsenide ( GaAs ) in Microgravity experiment ; the Crystal Growth of Selected II-VI Semiconducting Alloys by Directional Solidification experiment ; the Vapor Transport Crystal Growth of Mercury Cadmium Tellurida in Microgravity experiment ; the Zeolite Crystal Growth Furnace ( ZCG ), the Interface Configuration Experiment ( ICE ), the Oscillatory Thermocapillary Flow Experiment ; the Fiber Supported Droplet Combustion Experiment ; the Particle Dispersion Experiment ; the Single-Locker Protein Crystal Growth experiment ; ( including the Protein Crystallization Apparatus for Microgravity ( PCAM ) and the Diffusion-controlled Crystallization Apparatus for Microgravity ( DCAM )); the Crystal Growth by Liquid-Liquid Diffusion, the Commercial Protein Crystal Growth experiment ; the Advanced Protein Crystallization Facility, Crystallization of Apocrystacyanin C experiment ; Crystal Structure Analysis of the Bacteriophage Lambda Lysozyme, Crystallization of RNA Molecules Under Microgravity Conditions experiment ; Crystallization of the Protein Grb2 and Triclinic Lysozyme experiment ; Microgravity Crystallization of Thermophilic Aspartyl-tRNA Synthetase and Thaumatin experiment ; Crystallization in a Microgravity Environment of CcdB experiment ; A Multivariate Analysis of X-ray Diffraction Data Obtained from Glutathione S Transferase experiment ; Protein Crystal Growth: Light-driven Charge Translocation Through Bacteriorhodopsin experiment ; Crystallization of Ribosome experiment ; Crystallization of Sulfolobus Solfataricus Alcohol Dehydrogenase experiment ; Crystallization of Turnip Yellow Mosaic Virus, Tomato Aspermy Virus, Satellite Panicum Mosaic Virus, Canavalin, Beef Liver Catalase, Concanavalin B experiment ; Crystallization of the Epidermal Growth Factor ( EGF ); Structure of the Membrane-Embedded Protein Complex Photosystem I ; Crystallization of Visual Pigment Rhodopsin ; Commercial Generic Bioprocessing Apparatus ; Astroculture Facility and Experiment.

Catalase and is
Catalase is a common enzyme found in nearly all living organisms exposed to oxygen.
Catalase is usually located in a cellular, bipolar environment organelle called the peroxisome.
Catalase is also universal among plants, and many fungi are also high producers of the enzyme.

Catalase and .
Catalase reactions vary among Enterobacteriaceae.
Catalase contributes to ethanol metabolism in the body after ingestion of alcohol, but it only breaks down a small fraction of the alcohol in the body.
Catalase has been shown to interact with the ABL2 and Abl genes.

was and first
But her prettiness was what he had noticed first, and all the other things had come afterward: cruelty, meanness, self-will.
There was an artificial lake just out of sight in the first stand of trees, fed by a half dozen springs that popped out of the ground above the hillside orchard.
The first part of the road was steep, but it leveled off after the second bend and curled gradually into the valley.
No one was behind it, but in the rear wall of the office I noticed, for the first time, a door which had been left partially open.
The herd was watered and then thrown onto a broad grass flat which was to be the first night's bedground.
Once again, Tom Horn was the first and most likely suspect, and he was brought in for questioning immediately.
For Matilda, it was the first she had known in many a night.
Even the knowledge that she was losing another boy, as a mother always does when a marriage is made, did not prevent her from having the first carefree, dreamless sleep that she had known since they dropped down the canyon and into Bear Valley, way, way back there when they were crossing those other mountains.
Stevens was grunting over the last empty pocket when Russ abruptly rose and lunged toward Carmer's hat, which had tumbled half-a-dozen feet away when he first fell.
The Indian's arm whipped sidewise -- there was a flash of amber and froth, the crash of the bottle shattering against the side of the first car.
It was her first smile.
At first, I thought he was out of his head, talking wildly like this.
Hell, I gave him the first decent job he ever had, six, seven -- how many years ago was it, Rob ''??
Miss Langford ( her first name was Evelyn ) was an attractive girl.
School began in August, the hottest part of the year, and for the first few days Miss Langford was very lenient with the children, letting them play a lot and the new ones sort of get acquainted with one another.
It was just as well that the ignorant Dandy enjoyed himself to the hilt that first evening, for the room was to become his prison cell.
`` Bastards '', he would say, `` all I did was put a beat to that Vivaldi stuff, and the first chair clobbered me ''!!
In 1961 the first important legislative victory of the Kennedy Administration came when the principle of national responsibility for local economic distress won out over a `` state's-responsibility '' proposal -- provision was made for payment for unemployment relief by nation-wide taxation rather than by a levy only on those states afflicted with manpower surplus.
The first systematic thinking about this Pandora's box within Pandora's boxes was done four years ago by Fred Ikle, a frail, meek-mannered Swiss-born sociologist.
The smell at first was more surprising than unpleasant.
His collaboration with Washington, begun when he was the general's aide during the Revolution, was resumed when he entered the first Cabinet as Secretary of the Treasury.

was and noticed
He looked around in surprise, then noticed that Fred Powell was clutching his chest.
The doctor, he noticed, was attempting a transverse movement towards the stairs, but before the movement could be completed a distinct and audible cluck ruffled the air in the hollow of the stair-well.
It was approximately one month before the belt problem was noticed and corrected, but at no time was there a deficiency of dissolved oxygen.
Chauncey Depew, one-time runner-up for the Republican Presidential nomination, was attending a convention at Saratoga, where he was scheduled to nominate Colonel Theodore Roosevelt for Governor of New York when he noticed that the temporary chairman was a man he had never met.
I noticed that he was in Unit 12 and that he had registered under the name of Oscar L. Palmer and wife, giving a San Francisco address.
`` Well, with a house as big as that there must be at least one cellar window that wouldn't be noticed right away unless there was a police investigation ''.
Then he said, `` Never noticed it before I mean, when she was dressed but for a woman her age, Julia had a real fine figure ''.
He hadn't even noticed -- what was his name??
In time, and two drinks later, he was complaining bitterly about his wife, He was on the subject for ten minutes or so when he noticed the renewed interest in his listener -- it showed in the alert face and the suddenly bright eyes.
As I ministered to his needs, I noticed that his face was radiant in spite of his suffering and I learned that he was trusting not only in the skill of his doctor and nurse but also the Lord.
She did not look at him, but he noticed that her face was flushed and her eyes unsteady.
Moyers was inspired to focus on the song's power after watching a performance at Lincoln Center, where the audience consisted of Christians and non-Christians, and he noticed that it had an equal impact on everybody in attendance, unifying them.
He had noticed, says Polybius, a “ place between the two camps, flat indeed and treeless, but well adapted for an ambuscade, as it was traversed by a water-course with steep banks, densely overgrown with brambles and other thorny plants, and here he proposed to lay a stratagem to surprise the enemy ”.
On returning, Fleming noticed that one culture was contaminated with a fungus, and that the colonies of staphylococci that had immediately surrounded it had been destroyed, whereas other colonies farther away were normal.
He investigated its positive anti-bacterial effect on many organisms, and noticed that it affected bacteria such as staphylococci and many other Gram-positive pathogens that cause scarlet fever, pneumonia, meningitis and diphtheria, but not typhoid fever or paratyphoid fever, which are caused by Gram-negative bacteria, for which he was seeking a cure at the time.
Almroth Wright had predicted antibiotic resistance even before it was noticed during experiments.
Following transposition and docking, the crew noticed the exterior surface of the Lunar Module was giving off particles from a spot where the LM's skin appeared torn or shredded ; at one point, Charlie Duke estimated they were seeing about five to ten particles per second.

0.643 seconds.