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What is the purpose of a cotton plug at the end of a sterile pipette?
A cotton plug at the end of a sterile pipette helps prevent contamination of the liquid being transferred by acting as a barrier to airborne particles and microorganisms. It also helps regulate the flow of liquid during pipetting.
Which medium is most difficult to prepare without contamination?
I think none of them is difficult to prepare without contamination as if you prepare any media in any of tube or plate or in flask just take care of all the important thinghs like proper autoclaving of media proper sterlization of instruments and proper handiling in pouring i.e. pour media in clean LAF, wash hands with antimicrobial soap or foam and pour media near the flame. But if still says then it will be easy for preparing nutrient agar tubes as u can pour the media in them and then you can sterlize them in autoclave after plugging the cotton plug, and that will be without any contamination same u can also do with nutrient broth in eirenmyere flasks
What Cell fragments that clump together to form plug that helps reduce blood loss?
Platelets are cell fragments that clump together to form a plug that helps reduce blood loss by sealing off small breaks in blood vessels.
What are the 7 steps to the process of blood clot formation?
1. Primary hamostasis. 2. Platelets aggregation and adhesion. 3. Factor activation 4. Calcium 5. Prothrombin to thrombin 6. Fibronigene to fibrin 7. Clot
Describe the process of hemostasis .indicate what starts the process?
Hemostasis is the process of stopping bleeding to maintain vascular integrity. It involves three main steps: vasoconstriction to reduce blood flow, formation of a platelet plug to seal the injury, and blood clotting to reinforce the plug. When a blood vessel is damaged, exposure of collagen triggers platelet activation and initiates the hemostatic process.
Why is cotton wool used to plug a flask instead of using a rubber bung?
A cotton wool is used to plug a flask instead of a rubber bung because a rubber bung doesn't allow any gas exchange between oxygen and carbon dioxide. A cotton wool will allow them to leave and enter the flask during an experiment.
What is a bung used for in science?
to plug your bunghole, which is the hole in the side of a barrel or on top of a flask. AKA rubber cork.
How do you make cotton plug?
step 1: get cotton step 2: find hole step 3: fill hole with cotton
Why is always a cotton plug inserted at the end of a funnel during sublimation of ammmonium chloride?
sublimation means conversion of solid to direct gaseous state , if you didn't put cotton plug then your ammonium chloride's vapours will go to atmostphere and your ammonium chloride wasted. And if cotton plug is not applied you can't see conversion of it's vapours to solid again
Why must cotton plugs be kept dry during the process media preparation?
cotton plugs be kept dry during the process media prepration because in moist cotton many microorganisms are present so if we take dry cotton plugs , then the chances of contamination will be less.
A sample of nitrogen gas is stored in a 500.0ml flask at 108kpa and 10.0c the gas is transferred to a 750.0ml flask at 21.0c what is the pressure of nitrogen in the second flask?
To find the pressure of the nitrogen gas in the second flask, you can use the combined gas law equation: P1V1/T1 = P2V2/T2, where P1, V1, and T1 are the initial pressure, volume, and temperature, and P2, V2, and T2 are the final pressure, volume, and temperature. Plug in the given values to find the final pressure of nitrogen in the second flask.
Why should cotton plugs of culture tube be always dry?
cotton plug on culture tube should be kept dry always to avoid contamination of the media by microorganisms which are suspended everywhere.
What is the purpose of a cotton plug at the end of a sterile pipette?
A cotton plug at the end of a sterile pipette helps prevent contamination of the liquid being transferred by acting as a barrier to airborne particles and microorganisms. It also helps regulate the flow of liquid during pipetting.
Give the reason for flaming of a culture tube after the cotton plug has been removed and just before it is inserted?
Flaming the culture tube after removing the cotton plug and before inserting it helps to create a sterile environment by killing any potential contaminants on the lip of the tube. This reduces the risk of introducing unwanted microorganisms into the culture medium.
How do you clean a 3 pin plug?
To clean a 3-pin plug, first unplug it from the socket. Use a dry cloth or a small brush to remove dirt and dust from the pins. Avoid using water or liquid cleaners, as this can cause damage to the plug.
My aunt sent me a cotton candy machine from England I pluged it in and followed the directions Its heating up but i dont see any cotton candy is this because of the country difference in electricity?
They have different plugs and outlets in England so how did you plug it in?? I bought a converter
How do you move a refridgerator?
Stand up only, and don't plug in right away. Leave it at least for a few hours. I will include a link on how to prepare and move them.
