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QUESTION 1: You are part of a summer research project studying a fish species in which males can have either silver or orange tails. You discover that males with orange tails attract more mating partners than silver-tailed males.
QUESTION 2: As part of your work with NYC Public Health, you are tasked with tracking an emerging outbreak of feline coronavirus in the wild cats of New York City. This disease, transferred by fecal-oral contact, is not infectious to humans, but is closely related with the virus responsible for Severe Acute Respiratory Syndrome (SARS) in human populations. Describe how you could use DNA-based molecular forensics to track the spread of the virus, as well as possible genetic factors associated with disease susceptibility.
A 0.0560-g quantity of acetic acid is dissolved in enough water to make 50.0 mL of solution. Calculate the concentrations of H+, CH3COO-, and CH3COOH at equilibrium. (Ka for acetic acid = 1.8 x 10^-5).
Technetium-99m is used for radioisotope-guided surgical biopsies of certain bone cancers. A patient must receive an injection of 28mCi of technetium-99m 6-12 hours before surgery.
A mouthwash contains 22.5% (v/v) alcohol. If the bottle of mouthwash contains 355 mL, what would be the volume, in milliliters, of the alcohol?
sodium hypochlorite is potentially dangerous because of the basicity of ClO-. What is the [OH] in an aqueous solution that is 6.5% NaClO by mass? What is the pH of the solution
How many liters of water are required to dissolve 1 g of barium sulfate. What is the solubility of barium sulfate in parts per million
If 24.88 mL of a 0.01229 M EDTA solution is required to titrate the Ca2+ and Mg2+ in a 30.00mL water sample. Explain what is the water hardness level in ppm. Explain the molecular weight of CaCO3 is 100.1 g/mole
Calculate the energy transferred as heat to raise the temp of 55g aluminium from 22.4 degrees C to 94.6 degrees C?
If iron is ready by passing carbon monoxide gas through molten iron ore ferric oxide in a blast furnace at 1500 degree C and assuming the only products are molten iron and carbon dioxide, State a balanced chemical equation for this change showing ..
What volume of pure O2(g), collected at 27°C and 746 torr, would be generated by decomposition of 128 g of a 50.0% by mass hydrogen peroxide solution?
Calculate the molarity of sodium ions in a solution made by diluting 50.0 mL of 0.874 M sodium sulfide solution to a total volume of 250.0 mL
the specific rotation of r--glyceraldehyde is 8.7. if the observed specific rotation of a mixture of r-glyceraldehyde
Question- Using the information you gained from your TLC plates, describe how you could separate and collect larger quantities of chlorophyll and carotene using column chromatography.
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