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Question: Define HeLa cells and where did they come from? Using specific examples, discuss how these cells have contributed to the advancement of our understanding of human biology and the well being of people today. What are some of the ethical issues raised by HeLa cells?
In wild pigs, the allele for black fur is dominant over the allele for brown fur. A black wild pig is crossed with a brown wild pig, producing five F1 black wild pigs and six F1 brown wild pigs.
Discuss how the cardiac AP orginates and the pathway by which it spreads through the heart. Include descriptions of common pathological disruptoons of the spread of this AP
Assume you are purifying a protein on a weak cation exchanger and it comes off at 300mM salt. predict what salt concentraiton the protein would come off if you used a strong cation exchanger.
In the humans, the gene for albinism is recessive to gene for normal skin pigmentation. If two heterozygous persons have children, state the probability they will have a child who is an albino?
32P is an unstable isotope of phosphorus that has a half-life of 14.29 days. Atoms of this isotope undergo beta decay in which a neutron decays into a proton and an electron.
Create a detailed diagram of DNA synthesis. With your diagram list the enzymes involved in the process and their respective functions.
When O2 binds to heme in hemoglobin, the is drawn into the plane of the porphyrin, causing conformational change that is transmitted to adjacent subunits.
As you have learned in the readings, extinction is a natural selection process. You have also read that humans are often responsible for accelerating this procedure.
Suppose you add five micrograms of purified acid phosphatase to the pur acid phosphatase reaction - compute the amount of acid phosphatase in 400 microliters of wheat germ extract
If humans and shrews shared the common ancestor roughly 80 million years ago, ignoring multiple substitutions at the same site, how several amino acid differences have to be expecting to see between a human and shrew Fibrinogen B sequence.
Mrs. Smith and Mrs. Jones had baby girls same day in same hospital. Mrs. Smith named her baby Shirley and Mrs. Jones named her baby Jane.
I n tomatoes, two alleles of one locus determine the character difference of purple versus green stems
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