Baydaa A. Hassan

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Questions related from Baydaa A. Hassan

All bacterial species can be produce enzyme?

Enzyme is a protein molecule and are biological catalysts , Microorganisms are the primary source of enzymes, because they are cultured in large quantities in short span of time and genetic...

03 March 2019 2,974 4 View

Determination of the glucose oxidase kinetic parameters (Km and Vmax) assay ?

The reaction rate of glucose oxidase was determined at different glucose concentration ( 20 , 12.5 , 10 , 5 , 3.33 , 2.5 ) % of glucose under optimum conditions of pH , temperature and incubation...

01 January 2019 6,668 1 View

Problem in glucoamylase purification by gel filtration technique ?

The preparation of gel was achieved by take of (3) g from gel sephadex G-200 was suspended in 105 ml distilled water and put in water bath at 90 ºC for 5 hours then wash twice with sodium...

01 January 2019 4,652 1 View

Compare between the Azoles & Echinocandins ?

Azoles : Agents : ketoconazole, fluconazole, itraconazole, voriconazole, posaconazole, multiple topical formulations , The azoles are a broad class of antifungal agents , Echinocandins are a...

01 January 2019 4,945 1 View

Problem in the Optimization of the growth conditions for maximum production of the peroxidase by Bacillus subtilis?

This working was achived in Section of Biology,faculty of Science, Kufa university which contain peroxidase separation and classically of route parameters to work greatest defer of peroxidase...

01 January 2019 9,307 0 View

Show the type of culture media can be used for indole production test?

This test determines whether the microbe produces indole from the amino acid tryptophan. If indole is produced, it will react with a chemical reagent added after incubation to produce a color change.

01 January 2019 2,033 0 View

Show the major nutritional types of procaryotes ?

All living organisms require a source of energy. Organisms that use radiant energy (light) are called phototrophs. Organisms that use (oxidize) an organic form of carbon are called heterotrophs or...

01 January 2019 5,401 0 View

Classification of bacteria depending of oxygen requirement ?

The environments in which some prokaryotes grow would kill most other organisms, the major physical factors which affect microbial growth are solutes and water activity, pH, temperature, oxygen...

01 January 2019 6,254 0 View

How can be used the Embryonated eggs for the viruses isolation and identification?

Virus Isolation (Indirect Examination) : A. Detection of virus growth in cell cultures 1- Cytopathic effects (CPE) – morphological changes in cultured cells, seen under microscope, characteristic...

01 January 2019 7,542 0 View