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The onion plant began as a single cell. That cell had X number of chromosomes. (the exact number does not matter, we will just call that number X). How many chromosomes are in each of the cells that you observed? (give the answer in terms of X). How do you know?
Arsenic is a compound naturally occurring in very low concentrations. Arsenic blood concentrations in healthy individuals are Normally distributed with mean =3.2 ug/dl and standard deviation = 1.5 ug/dl.
Mark-recapture Largemouth bass data from the Des Plaines River. Use these information, estimate the density (number/hectare) of each size class plus the overall density.
Explain especially what happens to DCPIP and why and how. Explain results and purposes of each of the four tubes of solutions where the photosynthetic output of the Hill reaction was measured.
Natural selection raise the frequency of advantageous alleles. When a new allele is first created via mutation, it is at low frequency.
Explain why population growth in the human population does not seem to be affected by limiting factors.
Within the two groups define by the bone mass, smaller skeletons have bones with evidence of epiphyseal plates, but larger bones have only a thin line where the epiphyseal plates should be. Give the age group and gender of the individuals in this fin..
Compare and contrast the roles of a sporophyte versus a gametophyte during the reproductive cycle of a seedless plant. Must provide sources.
Think about a population of one hundred mice on an island, with allele frequencies B=0.2 for black coat color and b=0.8 for white coat color. Black, B,
A mole of an assured compound contains 207.7 g of lead and 32.00g of oxygen. Without doing any calculations, tell whether a formula Unit of a compound contains more atoms of lead or more atoms of oxygen. Explain in details.
Assume you place a cell into a solution containing small/non-polar purple dye molecules and observe it under a microscope.
The hypothetical OxyA protein is a surface protein that may have a role in attachment to the surface of the intestinal epithelium but there is evidence that it has a role in invasion. Write the structural formula for isoamyl alcohol.
Trying to also get this serial dilution 2.0 mL of solute into 98.0 mL solvent, 2.0 mL of previous dilution into 98.0 mL of solvent, 2.0 mL of previous dilution into 98.0 mL of solvent. What is the final dilution factor?
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