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In order to learn about epidemiological studies, data analysis, and the use of secondary data, we will be using the Youth Risk Behavioral Survey (YRBS). This is a school-based survey on youth in high school (grades 9-12), which began in 1991 and is collected every other year in odd numbered years. The survey focuses on six areas of health and provides selected questions for each area. The areas include:
Behaviors that contribute to unintentional injuries and violence
Sexual behaviors that contribute to unintended pregnancy and sexually transmitted diseases, including HIV infection
Alcohol and other drug use
Tobacco use
Unhealthy dietary behaviors
Inadequate physical activity
Diffusion is defined as the movement of solute molecules from a region of high concentration to low concentration. To learn about some of the factors that affect the rate of diffusion,How would increasing temperature affect diffusion rate
Gene expression normally results in proteins. In blood types the ABO results in carbohydrates. What is the activity of this gene ? Where in the cell would this enzyme activity occur?
Explain how DNA is responsible for protein structure, both in prokaryotes and eukaryotes.
What is t-cell mediated suppression? I have been trying to read about it and understand what it is.. but everything I read it doesn't really make sense to me.... and what mechanisms are involved in t cell mediated suppression?
Two pure strains of corn with white kernels were crossed. All the F1 progeny had red kernels; the F2 progeny consisted of 91 red and 69 white. Explain the inheritance of pattern for kernel colour by defining allele symbols and giving genotypes and..
q1. three classes the polychaeta oligochaeta and hirudinea will be examined. class polychaeta members are marine.
Defend or refute the following assertion: in the pentose phosphate pathway, glucose 6-phosphate dehydrogenase and transketolase should be controlled by the level of ATP in the cell.
Ti make toluidine blue stock solution, you add 1 gram of tolonium chloride to 100mL of 70% alcohol. In order to utilize this stain, you add 5mL of the stock solution to 45mL of 1% NaCl solution.
What happens to DNA, both single and double stranded, when it is treated with a concentrated base such as 1M NaOH and then centrifuged?
Design an experiment to demonstrate that DNA replication is semi-conservative. List two markers that one can use to label the DNA.
What effect does cell size have on a cell's ability to efficiently carry out it's activities? Give an exam.
What causes pH to increase or decrease with E. coli cells when they are in a sample of pond water and they are either left in the dark or in the light for a week undisturbed?
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