shaking the sample before transferring it into a sterile universal bottle is an important step in many microbiological experiments as it helps to ensure that the sample is well-mixed and that any microorganisms present are evenly distributed throughout the sample.
to obtain as much supernatant as posible
About 6 percent of the male US population is infertile. Likewise, about 6 percent of the female population in the US is infertile.
I am unsure of the answer to this question, but I feel the need to remove the previous ridiculous answer stating that "women with down syndrome are sterile." They ARE indeed fertile. I am in search of the same information, and will be editing this post once I find the correct answer.
to maintain asepsis in the operating room.
It functions as a barrier to overfilling.
It prevents contamination between different sample or treatments.
Not sterile but it can surely reduce the viability of your sperm. The testicular sac is situated outside the body for just this purpose. The heat weakens the sperm mobility.
because non sterile water could have certain elements that could react to the other substances you are using which could cause discrepancies in your results and give non factual information.
To prevent contamination. Once you have flamed your loop and cap, do not lay it down, blow on it, touch it with your fingers, or touch it to any surface other than your inoculum or the sterile media.If you do, you must reflame the loop before proceed to inoculation to re-sterile it again.
Yes they do. They have a sterile Multi-Purpose Solution, a pack of 2 for 5 dollars.
the flower is sterile
If a sterile field becomes "contaminated" with a sterile solution, the field remains sterile.
sterile gloves
Incisions are made to cut in to the skin to fix or remove something in the body.Incision's are usually done by a doctor or a nurse in a sterile environment.
No it's not sterile