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1. Using an analogy describe the difference between an ionic bond and a covalent bond. In your analogy, please include a detailed description of what happens to the electrons in the outer shell of participating atoms.
2. Identify and discuss a source of information based on its scientific accuracy.
3. Locate and compare two articles (scientific and nonscientific) based on their scientific foundation.
4. Pick a specific scenario in life, then discuss the limitations of scientific knowledge based on that scenario.
5. Pick one species of living organism (any plant or animal that you like), and describe its habitat and the range of conditions in which it has adapted to live.
After reading these articles, do you believe that it is the industry's fault or should the burden of responsibility be on the consumer who is making the food choices? You should provide a specific opinion to earn full credit.
NMR spectroscopists often do experiments in D2O. The deuterium atoms in D2O can exchange for hydrogens in an organic molecule if and only if those hydrogens are exposed to solvent and are attached to polar atoms.
Glucocorticoid drug inhalers are often included in a treatment regimen for asthma. Determine the purpose (mechanism) underlying the use of this medication.
Assume you remove your test cultures from the incubator and notice that one of them- a know fermenter- has a gas bubble in the Durham tube.
Determine channel length (in cm) needed for mixing by diffusion two solutions flowing at a speed of 1 cm/s, one of which is water and the other is a salt solution.
A sea urchin egg is used in a voltage clamp experiment; that is, the value of the transmembrane voltage is set by the experimenter, not by the properties of the membrane.
Create and observe bacteria in petri dishes for my own learning experience. I thought I was being sufficiently sanitary while heating the agar and pouring it into the plates.
A beaker is separated through a barrier which only glucose can pass. The right side has 10 mM glucose and the left side has zeromM of glucose.
Jimmy, a new undergraduate researcher in the lab, is told to make a vector having a copy of the CELLBIO gene from Dr. Acosta's genome as well as a selectable gene, Ampr.
Fetal red blood cells carry a hemoglobin which has a mutation in the hemoglobin chains that reduces the affinity of 2,3-BPG for fetal hemoglobin.
Compute the frequencies of the genotypes in future generations if the initial population consists of the following genotype frequencies.
Make following dilution: a working concentration of 100 ml 15 U/uL from an enzyme stock of 756,431 U/uL. Will you use a serial dilution? Why or Why not.
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