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Does DNA adhere to polystyrene tubes?
Yes, DNA can adhere to polystyrene surfaces through electrostatic interactions. Adsorption of DNA molecules onto polystyrene tubes can occur due to the negatively charged phosphate groups in the DNA backbone interacting with the positively charged surface of the polystyrene.
In microbiology what is the primary use of slants?
Slants are primarily used in microbiology to provide a larger surface area for microbial growth compared to agar deeps or plates. They are commonly used for the maintenance and storage of microorganisms, as well as for the evaluation of motility and oxygen requirements of bacteria.
When is the loop preferable for transferring bacteria?
The loop is preferable for transferring bacteria in microbiology lab work when you need to accurately transfer a small amount of bacterial culture from one place to another, such as from a petri dish to a test tube. The loop's design allows for controlled and precise handling of the bacteria, minimizing the risk of contamination and ensuring consistent results in experiments.
What are the different types of tubes used for blood collection?
The different types of tubes used for blood collection include serum tubes, plasma tubes, anticoagulant tubes, and specialized tubes for specific tests.
Why did you use an inoculating loop instead of a needle to make the transfers from the culture plates to the culture tubes?
A inoculating loop is used for transfers from culture plates to culture tubes instead of the inoculating needle because the needle could puncture the agar in tube. The loop is much easier as well to get liquid amount into the tube.
Kind of tools does a biologist use?
tools that the biologist use are microscopes, petri dish, laboratory, test tubes, beakers, and computers tools that the biologist use are microscopes, petri dish, laboratory, test tubes, beakers, and computers
Do you have to have your tubes untied to be a surrogate mother?
No, you do not have to have your tubes untied to become a surrogate. My partner and I, our surrogate has her tubes tied and we used an egg donor for the embryo. They are then transferred into the uterus after they are fertilized.
What are plate that is earth related?
the plate of the earth is made out of the crust which in scientific answers would be dirt grass and volcanic tubes
What would happen if the test tubes used in the experiment were not rinsed with distilled water after washing them with tap water?
If the test tubes were not rinsed with distilled water after washing with tap water, there could be residue left from the tap water containing impurities and ions. This residue could potentially contaminate the samples being tested in the tubes, leading to inaccurate results. Additionally, any reactions occurring in the test tubes may be influenced by the impurities present in the tap water residue.
What is a frogs gullet?
The frog's gullet is a place where food is transferred down through the tubes into the stomach to start the digestive process.
Does DNA adhere to polystyrene tubes?
Yes, DNA can adhere to polystyrene surfaces through electrostatic interactions. Adsorption of DNA molecules onto polystyrene tubes can occur due to the negatively charged phosphate groups in the DNA backbone interacting with the positively charged surface of the polystyrene.
What do people use before the Petri dish was invented?
Before the invention of the Petri dish, scientists and microbiologists used various methods for culturing microorganisms, including shallow glass or metal plates, test tubes, and flasks. They often employed agar plates or gelatin in these containers to provide a solid medium for growth. Additionally, some experiments were conducted using natural substrates such as potatoes or slices of meat. These methods, while effective to some extent, lacked the standardized design and ease of use that the Petri dish later provided.
What holds solid culture medium?
Solid culture medium is typically held in petri dishes or test tubes. These containers provide a stable environment for the growth of microorganisms or cells by keeping the medium in place and preventing contamination from external factors.
What is a petri dish culture?
The intentional growth of cells, fungi, bacterium, etc is a small isolated container usually lined with a nutrient which promotes the growth of the culture. The petri 'dish' is (usually) made of glass and is round with a relatively large diameter compared to its short sides as opposed to "test tubes" and "beakers" which have tall sides, and "flasks" that have sides with uneven diameters usually smaller at the top.
What is the function of windpipe?
The windpipe is also known as the trachea. The function of the trachea is for air to flow into the lungs.To be able to breathe
Should a 6L6 power tube replaced with another 6L6 power tube be rebiased?
Generally, when replacing power tubes, you should replace both tubes (or all four) using matching pairs (or quads) of tubes. Sometimes you can get away with not re-biasing with matched tubes, but it's always best to have a technician check it out, so that the tubes are running at their optimal plate voltage (not too hot or cold). Also you don't want to get nasty crossover distortion (not the good kind) which can happen with unbiased tubes in a push-pull (Class A/B) amplifier. [NOTE: unless you are an experienced technician, do NOT try and bias your own amplifier. Plate voltages can be lethal! Spend the $40 for the bench fee to have someone knowledgeable do it.]
What is the bracket that holds up leafsprins on 94 ford explorer?
I believe that is called the leaf spring axle U-bolt plate by Ford ( the plate where the U-bolts go through under the rear axle tubes )
