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1. Ever notice how presumptive testing uses mainly protein markers while DNA testing does not? You know that DNA is the start and proteins are the results. Explain the role of RNA and give an example of how this supportive polymer could be used in the forensic field.
2. A prison guard states that an inmate threw and unknown liquid on him. This is a felony charge of harassment. In order for this charge to be prosecuted, you must show a bodily fluid was thrown on the guard. The shirt smells like vomit. How would you proceed?
3. You are on the stand to explain the results of a positive test for semen using an Acid Phosphatase presumptive test and a PSA confirmatory test. First 1.) Explain the testing to a non-scientist using a simple comparison, and then 2.) Explain it using scientific terms
4. I saw a movie called "Red Belt" several years ago. This film focuses on one martial arts instructor's goal to be true to himself and his students. His teachings were designed to protect the people and not spectacularize (is that a word) the art. In a bind for money, he agrees to fight in a Mixed Martial Arts competition. I don't want to ruin the movie, so I'll add my own ending with a question: If he is attacked on camera and defends himself with a single punch that, at first "knocks out", but in reality kills his attacker, what do you do? How would you work the crime scene, explain your hypothesis as to what happened and how you would test your hypothesis and what kind of testing do you think would be useful?
how the scientific method was involved, and how you think the development is relevant to your life or to human life in general
You have a 1mM stock solution of Arsenic to treat culture cells in a liquid medium. You need to treat your cells with Arsenic such that it has a final concentration of 5nM once it has been added to the cells.
Assume a single gene with two alleles. One allele results in pointed toes in the homozygous state, in narrow toes when heterozygous and the remainder of the population has normal toes. You observe that 90% of people have normal toes. Assuming a Ha..
Describe the three types of forests in terms of carbon sequestration. Which type sequesters the most carbon and why.
Two genes located on separate autosomes determine flower color and shape. The gene for flower color exhibits incomplete dominance, where the color can be red.
Suppose a broth has 436 million bacteria per milliliter. A serial dilution is made using three bottles of 99 milliliters each. 1 mL is transferred from the sample to the first bottle; 1 mL is transferred from the first bottle to the second; and th..
How does Hal ethically and professionally handle this issue that his conscience dictates be addressed? Is this an ethical or legal issue?
Briefly describe the DNA repair mechanism NHEJ and mention the major pitfall associated with NHEJ.
Suppose the E. coli synthesize DNA at a rate of 1000,000 nucleotides per minute and takes 40 minutes to replicate its chromosomes- How many base pairs are present in the entire E. coli chromosomes?
Bacteria can cause diseases by using their toxin to interfere with body process. Most Viruses do not encode toxins, cannot overcame body defense. How do viruses cause disease.
Epistasis occurs when the the alleles of one gene mask the phenotypic effects of the alleles of another gene at a different locus.
Compare mystenia gravis as neuromuscular disorder to Duchenne muscular dystrophy. What is a mechanism of abnormal muscle function in children suffering from Duchenne muscular dystrophy?
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