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For which of the five hydrolysis tests would a positive test result be expected for the etiologic agent of gastric ulcer's helicobacter pylori?
Urea
Is bacillus subtilis positive or negative for starch hydrolysis?
it is positive for starch hydrolysis
After hydrolysis did sucrose give a positive test with fehlings test why orwhy not?
Sucrose would not give a positive test with Fehling's reagent after hydrolysis because sucrose is a non-reducing sugar. During hydrolysis, sucrose is broken down into its monosaccharide components (glucose and fructose), which are reducing sugars and can react with Fehling's reagent to give a positive test for reducing sugars.
What does a positive test result for urea hydrolysis look like?
Bright pinkish-red.
Is staphylococcus aureus positive for gelatin hydrolysis?
Bacillus cereus is positive for gelatin hydrolysis. This bacteria is capable of hydrolyzing gelatin(a protein), thus, a nutrient gelatin medium inoculated with this bacteria will remain liquid when placed in an ice bath (don't agitate).the bacteria had proteases that is responsible for the hydrolysis of the gelatin..
What indicates a positive test for gelatin hydrolysis?
A positive test for gelatin hydrolysis is indicated by the liquefaction of gelatin media after incubation. This occurs when gelatinase, an enzyme produced by certain bacteria, breaks down gelatin into its soluble components. As a result, the initially solid gelatin medium becomes liquid, demonstrating that the organism can hydrolyze gelatin. The presence of a clear zone around colonies in the medium is also indicative of positive hydrolysis.
Is there a positive correlation between ATP hydrolysis and the amount of substance taken in active transport?
Yes
When the GPD gap is positive what can be expected?
It is asset sensitive
Used to test for protein hydrolysis which was indicated by a yellow color?
The indicator used to test for protein hydrolysis that results in a yellow color is phenol red. In an alkaline environment due to the release of ammonia from protein breakdown, phenol red changes from red to yellow, indicating a positive test for protein hydrolysis.
How is cation hydrolysis different from anion hydrolysis?
Cation hydrolysis involves the reaction of a cation with water to form a hydroxide ion and an acidic solution, whereas anion hydrolysis involves the reaction of an anion with water to form a hydroxide ion and a basic solution. Cation hydrolysis leads to acidic conditions due to the release of H+ ions, while anion hydrolysis results in basic conditions due to the release of OH- ions.
What conclusions can you draw when an experimental sample gives both a positive starch test and a positive maltose test after incubation?
Starch digestion (hydrolysis) is incomplete
What are the biochemical tests for identification of bacillus subtilis?
The Kirby-Bauer antibiotic test is a general test that determines if an organism is resistant or susceptible to different antibiotics. Many different types of antibiotics can be used but some of the common ones are penicillin, tetracycline, chloramphenicol, and streptomycin.
