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If the atomic number of an element is 12 and the atomic mass is 25. How many protons are there in the nucleus? How many neutrons are there in the nucleus? How many electrons are in the atom?
If you diluted 1 ml of a sample into 9 ml of water, then took 1 ml of that and diluted into another 9 ml of water, and did that another two times, what is fold the dilution factor?
Case Study Question - Case Study - Mary, 21 years old, presented to the hospital emergency department with an infected laceration on her left foot. Mary was at a beach resort four days ago, when she trod on a broken glas ...
Discussion Board 3: DNA After reading the prompt below, post your answer using about 200 words. Post your initial response at least 24 hours prior to the assignment due date, then return to respond to another classmate's ...
a. How are chromosomes positioned on the metaphase plate in metaphase 1 of meiosis? b. Is this different from metaphase in mitosis? If so, how?
How do I calculate the number of molecules needed for lethal dose? I am given the chemical name's LD50 and the "Estimated Lethal Dose (in grams) for 60kg human.
What changes would you expect to see in the liver cells of someone suffering from chronic alcoholism?
What are the equations for Molarity, molality, density, ppm, ppb, mass percent, Volume percent, and mole percent?
A doctor is testing the effectiveness of a new antibiotic. He gives the first group of patients a placebo, a second group receives antibiotic A while the third group receives antibiotic B. Which of the groups is consider ...
In some varieties of chickens, as in snapdragons, incomplete dominance involves three colors: white (aa) blue (Aa), and black (AA). If a blue male chicken is mated with a blue female, what are the expected phenotypic and ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As