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Questions asked by the same visitor
what does the term 'factor' mean in Mendel's first law ?
Weegy: heredity unit or genes. (More)
Question
Expert Answered
Asked 8/6/2011 4:49:04 AM
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why can't you use the same lancet twice ?
Weegy: The needle is extremely small and thin and when it punctures the skin it gets damaged. This damage can make it painful to use more than once. EVEN MORE IMPORTANT is the fact that when the needle goes into the tissue it contacts blood which is sticky. [ The needle may look clean but it is now covered in microscopic bacteria and maybe even viruses. You can wipe it off but remember the needle is damaged and now storing bacteria in its microscopic cracks. Using it again now puts you at risk of bacterial infection. Remember you are sticking this into your blood supply so you are giving the bacteria a free ride to your capillaries and tissues. Bacterial infections can rapidly turn into dangerous situations especially in people not in optimal health (people with diabetes). Medicare/Medicaid and most insurances will cover enough lancets so you never have to use them twice. If you cant afford them you need to ask your pharmacist or health care professional for ways to get your lancets for discounted prices/free. Read more: ] (More)
Question
Expert Answered
Asked 8/6/2011 4:55:45 AM
0 Answers/Comments
why do you need different toothpick to mix the blood and serum
Weegy: I don't know what experiment you're conducting, but when the directions tell you explicitly that you need to use a fresh utensil, then there must be the potential for contamination. [ Most likely using a different toothpick prevents the contents of slide one from crossing to slide two, which could invalidate your results. ] (More)
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Expert Answered
Asked 8/6/2011 5:05:47 AM
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