Explain precautions for isolation of pure culture, Biology

Assignment Help:

Explain Precautions for Isolation of Pure Culture?

1. Plating of the medium should be done 24 hours before performing the streaking.

There should not be any moisture on the plate.

2. Petri plate lid should not be lifted completely.

3. Labeling of the plate should be done at the bottom of the plate.

4. Flaming and reflaming of the loop should be done to get the desired separation of the organism.

5. Before using the inoculating loop, cooling should be done by touching the agar surface away from the streaks, otherwise the organisms would be killed.

6. Maintain aseptic conditions.

7. Avoid pressing the loop too firmly against the agar surface as this will damage it.

8. Never let the loop to touch any of the previously streaked ones.

 


Related Discussions:- Explain precautions for isolation of pure culture

Microorganisms, discuss the importance of protozoa to humans

discuss the importance of protozoa to humans

What are the grain boundaries, What are the Grain boundaries Grain boun...

What are the Grain boundaries Grain boundaries disrupt the motion of dislocations by a material, so reducing crystallite size is a common way to improve strength. Since grain b

Leishmaniasis, Leishmaniasis Leishmaniasis is a group of disease cause...

Leishmaniasis Leishmaniasis is a group of disease caused by protozoa of the group Leishmania, and are transmitted to man by the bite of female sandfly (Phlebotomus). Three typ

Formation of identical twins and fraternal twins, Describe the events whic...

Describe the events which lead to the formation of (a) identical twins, (b) fraternal twins.   (a) Identical twins are derived from the products of a one zygote which separa

Illustrate stage of cellular respiration, Q. What is the stage of cellular ...

Q. What is the stage of cellular respiration during which carbon dioxide is liberated? In aerobic cellular respiration the release of carbon dioxide happens in the transformati

Explain glucose molecule runs the krebs cycle twice, Why can it be said tha...

Why can it be said that each glucose molecule runs the Krebs cycle twice? Every glucose molecule "cycles" the Krebs cycle twice because after glycolysis each used glucose has g

Central carbons participate in the peptide bond, Q. Do the -H groups bound ...

Q. Do the -H groups bound to the central carbons participate in the peptide bond? The central carbons themselves, the -R groups and the hydrogen attached to the central carbons

Explain the bioavailability of nutrients, Explain the Bioavailability of nu...

Explain the Bioavailability of nutrients? The amount of many nutrients needed in the diet depends on the absorption or bioavailability of the nutrients. Bioavailability is defi

Define the theory or principle of drying, Define the Theory or Principle of...

Define the Theory or Principle of Drying? Drying can be illustrated as the application of heat under controlled conditions to eliminate the majority of the water generally avai

What is the major cell organelle involved in cell digestion, Q. What is the...

Q. What is the major cell organelle involved in cell digestion and what are the properties of that organelle that enable it to do the task? The organelles accountable for intra

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd