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1. You are making a solution to stain cells. The solution has to have a concentration of 10ug/ml Coomaisse blue in water. If you are making 0.5L, how much Coomaisse blue do you need?
2. To stain your cells, you need to apply 0.75mL of staining solution to the fixed cells. How much is this in uL?
3. When you make a slide, you only want a single layer of cells fixed so that you can see everything clearly. In the culture you are working with, the cells are at a concentration of 10^6 cell/mL. You only want 100 cells on a slide, how many uL of your culture do you need? Can you measure this volume using a pipette?
What are the three main ions that play a role in the equilibrium membrane potential. What ion drives the potential, and why. What kinds of functions might these shared genes have.
Most biologists believe that immune system's defense against infections largely rests on its ability to distinguish self molecules from nonself molecules.
Imagine looking during a microscope at a squashed onion root tip. The chromosomes of many of cells are plainly visible. In some cells, replicated chromosomes are aligned along center (equator) of the cell. These particular cells are in which stage of..
Construct a hypothesis to explain the observation? From what you know about plants, if we were to place one of the test tube and beaker combinations in front of a green light, what would happen?
What is the most possible explanation for how these proteins find their way to the mitochondria. What is the good range for a heartbeat stroke work in an anaesthetised sheep? Before and after the venous administration of adrenaline.
Plasmids, which are associated with membrane proteins, depend on bacterial chromosomal DNA for replication. If the genome contains ~30,000 genes, about how many genes would be removed by a deletion of DNA that might be detected by karyotype analysis.
Upon completion of genome sequencing projects, how do scientists usually go about asking how many genes there are in genome and where they are located.
Explain the epidemiological attributes of this episode. In which special circumstances can cross-sectional surveys be utilized to test the hypotheses? In your answer explain briefly the characteristics of the cross-sectional study.
Take a screen shot of the westernblot that you run on Caseit. Interpret the results. Determine the results of this test indicate about the nature of Sam's mutation?
Distinguish between acids and bases and relate each to the pH scale. What is a buffer and what makes buffers important to life?
Both RT and PR represent potential targets for antiretroviral drugs. Drugs called nucleoside analogs (NA) act against RT, whereas drugs known as protease inhibitors (PI) act against PR.
Discuss how is cancer different from most other types of genetic diseases? Outline Knudson's multistage theory of cancer and explain how it helps to unilateral and bilateral cases of retinoblastoma.
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