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Why are models important in biology? Name one model that you have used in learning a biological concept. What limitations did it have?
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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?
I am having trouble identifying if my buffer solution is a weak acid and salt....or weak base and salt. Often my questions just give me then names of two molecules and I do not understand how to differentiate. For exampl ...
1.) Identify the maternal "homolog" for both Chromosome 1 and 2 and then the paternal homologs. Arrange these chromosomes as you would expect to find them during G 1 of interphase. What is the haploid number of our ce ...
If you don't water a plant it will eventually die. Explain why the absence of water halts photosynthesis. Also, cells that use aerobic cellular respiration, like humans, do not produce ATP at normal levels without oxygen ...
The current scientific defination of standard temp and pressure (STP) is: 0 degrees C and 1.00 bar pressure of a gas, using ideal gas law calculate the volume In L occupied by 1 mol of an ideal gas under these condition( ...
Soap and detergent molecules have a long, hydrophobic tail and a polar, hydrophilic head. They are sometimes referred to as bridge molecules because they allow oils and fats to be suspended and dissolved in water (whic ...
You take a small section of leaf and view it underneath a microscope. You count 25 stomata. Now you want to calculate how many stomata would be in a leaf the size of a penny. a) Calculate the area of the view of view (A= ...
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 ...
The allele for hitchhiker's thumb is recessive to the dominant straight thumb. In a population of 500 students, 25% have hitchhiker's thumb. How many students would you expect to be homozygous dominant for the trait?
Question: Summary For readability, please be sure to double-space your assignments. A new wild strain of nopal cactus has been identified as having remarkable promise to solve the international dietary manganese deficit ...
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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