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Unit 4: Forensics

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Which lab did we use wells to separate DNA fragments?   Gel Electrophoresis  
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The smaller the DNA fragment the __________________ the fragment travels in the gel.   farther  
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The inks on the chromatography paper separated into different colors. What caused this reaction?   different solubility  
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What should the scientist do to confirm her results?   retest  
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What is the function of the kidney?   filter waste from blood  
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Why do cells carry out different functions?   they express different genes  
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Vomiting, fever, and diarrhea are all symptoms of what bacteria infection?   E.Coli  
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What body systems are most affected when a person shows symptoms of vomiting and cramps?   digestive and muscular  
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Why does the blue ink in the gel chromatography lab move toward the negative end of the gel?   blue ink is positively charged  
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Why is a control needed in a lab?   to know what we are looking for  
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How can you tell if protein is present in urine?   cloudy or foamy  
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What color will urine be if there are high levels of glucose?   clear  
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What body system do the kidneys belong?   urinary  
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What does counterfeit mean?   something fake that is passed off as real  
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Why does the sample during the microarray turn pink when it is positive for salmonella?   mRNA with a fluorescent tag hybridizes with the single stranded DNA on the slide  
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Name the match to thymine.   adenine  
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What does complementary mean?   matches the base pairs on the DNA strand  
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What is the normal pH range for a healthy person's urine?   4.8-6  
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What can you tell about a person with a high level of glucose in their urine?   diabetes  
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What would you expect to find in the urine of a person with kidney disease?   protein  
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What color urine be if the person is healthy?   light yellow  
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What two labs could be used to distinguish real money from counterfeit?   paper and gel chromatography  
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What lab could be used to find contaminated ingredients in salami?   microarray  
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