answersLogoWhite

0

This may be a better way to ask this...

When pouring Nutrient agar into Petri plates, the procedure instructs you to keep the covers slightly ajar. Explain why the plates don't get contaminated from organisms suspended in the air?

User Avatar

Wiki User

9y ago

What else can I help you with?

Continue Learning about Natural Sciences

What is the process called when you place the bacterial sample on the petri dish?

Inoculation is the process were in you will introduce bacterial samples on a nutrient broth or nutrient agar. If the medium you use contain bacteria it is now called inoculum. there are different technique in introducing bacteria in the medium like streaking, spreading, pouring.


What are the proper technique of pouring liquid?

To pour a liquid properly, hold the container steadily with one hand and tilt it slightly. With the other hand, guide the liquid to control the flow. Pour smoothly and steadily to avoid spilling, and adjust the angle of tilt to control the speed of pouring as needed.


Why must warm agar be cooled down at 45 47 celsius before agar plates are poured?

Why we cool agar before pouring depends on WHY we are pouring it. If we are pouring a gel or standard media for streak culture then we allow some cooling to take place because we don't want to burn our fingers. If we are pouring a pour plate we allow a lot of cooling to take place so we don't kill our microbes through heat steralization. As my teacher used to say "boiled bugs don't grow".


Is pouring water into a glass momentum?

No, pouring water into a glass is not an example of momentum. Momentum is the product of an object's mass and velocity, and pouring water into a glass does not involve a specific object moving with velocity.


What is the meaning of decantatition?

Decantation usually refers to pouring liquid. It can be just pouring liquid from one container to another, or removing the liquid from a solid sediment by pouring the liquid off and leaving the solid behind.

Related Questions

What is the method called when the bacteria sample and nutrient agar are mixed before pouring?

Pour plate method


What is the process called when you place the bacterial sample on the petri dish?

Inoculation is the process were in you will introduce bacterial samples on a nutrient broth or nutrient agar. If the medium you use contain bacteria it is now called inoculum. there are different technique in introducing bacteria in the medium like streaking, spreading, pouring.


How can I improve my saucering technique when pouring coffee?

To improve your saucering technique when pouring coffee, try pouring the coffee slowly and steadily into the saucer to prevent spills. Practice tilting the saucer slightly to control the flow of the coffee. Additionally, focus on maintaining a steady hand and a consistent pouring motion to achieve a smooth saucering experience.


Why people got sick after people started pouring started pouring its waste water into the river?

Human waste contains many different bacteria, and bacteria such as cholera happily grow on human feces. Industrial waste contains heavy metals, which can poison the ground where the water meets it and they can also be dispersed via the air.


How do you make homemade weedkiller?

It is with salt or vinegar that homemade weed-killer tends to be made. The salt may be either diluted for pouring or spraying or sprinkled while the white distilled vinegar is diluted heavily or slightly for pouring or spraying the ground.


What are the proper technique of pouring liquid?

To pour a liquid properly, hold the container steadily with one hand and tilt it slightly. With the other hand, guide the liquid to control the flow. Pour smoothly and steadily to avoid spilling, and adjust the angle of tilt to control the speed of pouring as needed.


Make sentences with the word pouring?

the boy is pouring water away the rain is pouring down


What is a sentence for the word pouring in?

I'm assuming you want the phrase "pouring in" and not just the word "pouring." Rain is pouring in through the hole in the roof. Whenever she takes over a company, money just starts pouring in.


How should one properly dispose of coffee grounds?

To properly dispose of coffee grounds, you can compost them to create nutrient-rich soil for plants, or you can dispose of them in the trash. Avoid pouring them down the sink as they can clog the drains.


Which statement is the negation of the following statementThe rain is pouring down.?

The rain is not pouring down.


Is pouring spelled right?

Yes, as in pouring a cup of tea.


Why must warm agar be cooled down at 45 47 celsius before agar plates are poured?

Why we cool agar before pouring depends on WHY we are pouring it. If we are pouring a gel or standard media for streak culture then we allow some cooling to take place because we don't want to burn our fingers. If we are pouring a pour plate we allow a lot of cooling to take place so we don't kill our microbes through heat steralization. As my teacher used to say "boiled bugs don't grow".