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A new radioactive element is discovered called Obama45. This element decays into Nohea43 (a rare element called Nohealthcareandatleastfivemoreyearsinafghanistan) with a half life of 10 years. If a fossil is obtained and tested for these radioisotopes we find that ratio of Obama45 to Noheal43 is 1:15. How old is the fossil using radiometric dating.a) 10 yearsb) 20 yearsc) 30 yearsd) 40 yearse) 50 years
One in 1700 Caucasian new borns have cystic fibrosis. What is the allele frequency for the normal (C) and disease (c) alleles? What are the genotype frequencies?
Develop or illustrate a timeline of epidemiologic milestones in public health. What is one of the most significant milestones to you? Why?
Why or why not explain with reason? Work the genetics problem predicting the frequencies of the versions of this trait among their prospective children.
Determine the possible DNA sequences that produced the four amino acids in the molecules
Based on the Monod Wyman Changeux model of allosterism, would you expect ATP to bind better to the enzyme in the presence or absence of Pi?
A patient's blood pH was measured upon arrival in the emergency room to be 7.55 at which point they were treated for alkalosis.
A wild-type polypeptideconsists of 27 amino acids. Many mutants have been discovered that produce versions of this polypeptide that are longer than normal.These mutations are each due to a substitution of a singlebase.
The molecular weight of a compound is the sum of the atomic mass of its atoms. Compound X has a molecular weight of 522 daltons and is known to consist of equal numbers of C, O, and H atoms
directions in this module you learned about body size and temperature regulation strategies.scientists have argued for
Give three criteria that must be fulfilled by a population, before you can assume it is in Hardy-Weinberg equilibrium.
Your roommate tells you that the Laws of Thermodynamics don't make sense because your refrigerator can obviously remove heat from a warmer item as demonstrated when the room temperature bottle of soda pop is placed inside and later has cooled down..
There is a hybridization event between two different species with the same chromosome number. The hybrids are sterile. Explain your answer.
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