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Question: Liposomes are promising molecules in gene transfer technology because of their similarity to cell membranes and their charge interactions with negatively charged DNA. Estimate the charge on the outside surface of a liposome of diameter 1 um. Suppose a typical phospholipid head has a diameter of 1 nm and carries a charge of one proton (1.6021 x 10^-19 C). Assume that the surface of the spherical liposome is comprised of phospholipid heads packed together as tightly as possible in a configuration known as hexagonal packing, which minimizes the inevitable vacant space that occurs when circles pack against one another.
Critically discuss the various methods of drug administration? Explain why one method would be chosed over another. What are the general requirements for a code cart set up?
What is BOD and how is it determined. Dr. Haxton told one of his students, "To move in the bloodstream, fats need the help of phospholipids." What will a good student say.
Recently, use of cleaner fuels has greatly reduced soot in the landscape, and dark-coloured moths have been disappearing. Should the two forms of moths be considered separate species.
Approximate the broad-sense heritability for seed number in this population. In a natural population of out breeding plants, the variation of the total number of seeds per plant is 16.
Chooses the statement that best describes a buffer. A buffer prevents pH of a solution from changing while an acid or base is added.
What is the significance of the chloroplasts structural feature that the thylakoid membrane is located between the stroma and the thyloakoid space.
Describe b riefly the role of HOX genes in brain development. If a twenty-five year old woman using Accutane to treat acne discovers that she is pregnant, what concerns do you have for the embryo/fetus?
Write down 1X4 matrices, P, G, and M that represent the nutritional values of each food. Then find 3P+2G+2M and tell what the entries represent.
A student designs an experiment to create an alcohol known as butanol. She mixes a species of Clostridium bacteria known to produce this alcohol as a by-product of its metabolism with a broth of water and glucose in excess, and incubates the mixture ..
Develop a cure for cancer - Your cure may consist of a drug or treatment that would be intended for patients who already have cancer
Discuss how evolution of vascular plants has provided opportunities for fungal diversification?
Chose to do an informational interview, start thinking of your topic and interview questions now. See the course project description for more information on this project component.
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