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Unit 4: Forensics
Question | Answer |
---|---|
Which lab did we use wells to separate DNA fragments? | Gel Electrophoresis |
The smaller the DNA fragment the __________________ the fragment travels in the gel. | farther |
The inks on the chromatography paper separated into different colors. What caused this reaction? | different solubility |
What should the scientist do to confirm her results? | retest |
What is the function of the kidney? | filter waste from blood |
Why do cells carry out different functions? | they express different genes |
Vomiting, fever, and diarrhea are all symptoms of what bacteria infection? | E.Coli |
What body systems are most affected when a person shows symptoms of vomiting and cramps? | digestive and muscular |
Why does the blue ink in the gel chromatography lab move toward the negative end of the gel? | blue ink is positively charged |
Why is a control needed in a lab? | to know what we are looking for |
How can you tell if protein is present in urine? | cloudy or foamy |
What color will urine be if there are high levels of glucose? | clear |
What body system do the kidneys belong? | urinary |
What does counterfeit mean? | something fake that is passed off as real |
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 |
Name the match to thymine. | adenine |
What does complementary mean? | matches the base pairs on the DNA strand |
What is the normal pH range for a healthy person's urine? | 4.8-6 |
What can you tell about a person with a high level of glucose in their urine? | diabetes |
What would you expect to find in the urine of a person with kidney disease? | protein |
What color urine be if the person is healthy? | light yellow |
What two labs could be used to distinguish real money from counterfeit? | paper and gel chromatography |
What lab could be used to find contaminated ingredients in salami? | microarray |