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What are the advantages and disadvantages for aldehydes, gaseous sterilizers, peroxygens and organic acids?

What is one of the common misconceptions about human evolution?

Describe the parts of a phylogeny, and interpret it (e.g., identify a
given taxon's sister taxon, an...

How does the function of melanin explain not only the variety of skin colors but susceptibility to s...

why should the light be dimmed when looking at living cells

Compare and contrast the characteristics of the three domains of life. Distinguish between the major...

What are some of the other bacterial pathogens that can cause pneumonia and what would cause “walkin...

Draw a coronal cross-section of a heart, labeling all chambers, valves, and blood vessels that contr...

Many colleges require students to receive a vaccination before allowing them to live in their dormit...

Though the exact mechanism of a norovirus infection is not known, give a generalized account of how ...

what happens in a chemical reaction? 
what does activation energy (EA) mean?

What is environmental microbiology? (Please define in your own words.)

Questions
1
What is the purpose of the soft agar?
Describe the formation of a plaque.
2
3 How is a p...

A population has a doubling time of 35 days. What is it’s growth rate (gr) ?

What are the physical requirements that must be considered when trying to grow microbes?

What is the tissue type for the following?
Cecum, Appendix, Ascending Colon, Tranverse Colon, Descen...

Describe the process of development, from fertilization to parturition.

What makes hypervariable region I (HVRI) within mtDNA useful for researchers studying continental pa...

How will treatment for the second tuberculosis infection likely differ from the first round?

Can you help me with matching the numbers with concepts

TRUE or FALSE. The Enterotube II can only be inoculated using a culture from a nutrient broth media.

Which of the following factors can explain why vitamin D deficiency is on the rise?






1.


incre...

An experiment conducted by a scientist uses 2 tablets of Aspirin per day to see the blood thinning i...

What is the definition of a final electron acceptor and where can it be found?

What tissue type resides in the Auricles, Papillary muscles, Fossa Ovalis, Pectinate muscles, Chorda...

Draw a dihybrid Punnett Square between 2 individuals heterozygous for both traits. Identify the geno...

Lymph node enlargementWhy do lymph nodes enlarge during some infections?

What factors affect the distribution of ventilatioin and perfusion of the lungs?

In cleavage states what is blastomeres, 2-cell stage, 4-cell stage, and 8-cell stage.

Why would it be nice to have classification reflect phylogeny accurately that is, to only name monop...

Give examples of each of the following animal phyla:

mollusks
annelids
arthropods
chordates

Voges Proskauer test
Is it positive or negative for fermentation of glucose to 2,3 butanediol?

What is sex linked inheritances and how to do crosses?

Describe the structures, functions and properties of carbohydrates (including monosaccharides, disac...

Citrate test
What critical enzyme allows the organism to acquire carbon from the  medium?

Refrigeration (~4 C) is used to slow down the spoiling of food. Which classification or classificati...

How do the chemicals such as aldehydes, gaseous sterilizers, peroxygens, and organic acids affect mi...

What advantages are associated with segmented bodies and appendages?

What are the similarities and differences between Aerobic Respiration and Lactate Fermentation? Incl...

Differentiate between the various major blood types and why they are important.

1. collecting duct
2. glomerulus
3. peritubular capillaries
4. distal convoluted tubule
m.
a.
b.
C.
...

CASE: A 19 year old Caucasian female from Canton, Ohio, is taken to her doctor’s office one afternoo...

You have 100 pet llamas. Seventy-four of
them have curly hair (42 homozygous
dominant and 32 heteroz...

Some slime molds violate the first element of cell theory because?




 
 


they have no nuclei in ...

What concentraion sucrose solution would leave RBC volume unaffected?

What is a model organism, and why is Saccharomyces cerevisiae so often used as one?

5A. In shorthorn cattle, the polled condition is dominant over horned. Also, the
heterozygous condit...

Although the human colon may be one of the most diverse microbial communities on Earth, the majority...

Physical and chemical methods are used to control the microbes. Chemical methods are where chemicals are used to treat the surface or equipments in order to kill the microbes. These are often known as disinfectants, sterilizing agents and so on. The chemical methods used must not be a hazard to other organisms and the environment.

The advantages of using aldehydes, gaseous sterilizers, peroxygens and organic acids:<ul><li style="text-align: justify;">They are strong and broad-spectrum in killing microbes.</li><li style="text-align: justify;">Aldehydes act very quickly on the microbes</li><li style="text-align: justify;">Gaseous sterilizers are cold sterilizers and can be used for heat-sensitive materials.</li><li style="text-align: justify;">Peroxygens such as plasms which is a hot, ionized gas are effective in very low concentrations and breaks down to non toxic chemicals.</li><li style="text-align: justify;">Peroxygens have no associated environmental hazard.</li><li style="text-align: justify;">They have differential mode of action and hence a combination of one or two kills most of the microbes</li><li style="text-align: justify;">They affect the cell metabolism, micromolecules such as amino acids, nucleic acids and thus disrupt the vital processes in microbes thus preventing their growth and spread.</li><li style="text-align: justify;">Cost effective.</li><li style="text-align: justify;">Instrumentation is not required</li><li style="text-align: justify;">Can be used in room temperature</li><li style="text-align: justify;">Requires less skilled labor</li></ul>

The disadvantages of using aldehydes, gaseous sterilizers, peroxygens and organic acids:<ul><li>Aldehydes such as formaldehyde causes skin irritation and are carcinogenic</li><li>Gaseous sterilizers like ethylene oxides are explosive and carcinogenic</li><li>Causes permanent damage to eyes, kidney and liver.</li><li>Peroxygens damages the skin, delays healing and leads to scarring.</li><li>Or...</li></ul>

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What are the advantages and disadvantages for aldehydes, gaseous sterilizers, peroxygens and organic acids?

What are the advantages and disadvantages for aldehydes, gaseous sterilizers, peroxygens and organic acids?

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