PLTW Biomed Semester One Final Review.pdf file:///C:/Users/HP/Desktop/NIW/PLTW%20Biomed%20Semester%
PLTW Biomed Semester One Final Review
1. What can be done at a scene of a mysterious death to help reconstruct what
happened?
ANS A picture/sketch of the crime scene should first be done. All the evidence at the crime
scene should be collected and analyzed. Measurementsshould be taken and environmental
factors should be considered.
2. How do the clues found at a scene of a mysterious death help investigators determine
what might have occurred and help identify or exonerate potential suspects?
ANS Investigators can find a pattern within the clues found at a scene. These clues can also
eliminate and determine possible suspects based off of DNA testing.
3. How do scientists design experiments to find the most accurate answer tothe question
they are asking?
ANS Scientists use the scientific method to determinean accurate answer to their testable
question.
4. How are bloodstain patterns left at a crime scene used to help investigatorsestablish the
events that took place during a crime?
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,PLTW Biomed Semester One Final Review.pdf file:///C:/Users/HP/Desktop/NIW/PLTW%20Biomed%20Semester%
ANS Bloodstain patterns can help determine what happened at a crime scene. Smudges,
smears, splatters, andsprays can point to different events. Investigators analyze these blood stain
patternsto determine what could've happened.
5. Biomedical Science
ANS application of the principles of the natural sciences, espe-cially biology and physiology, to
clinical medicine
6. Control Group
ANS group in an experiment where the independent variable being tested is not applied so that
it may serve as a standard for comparison against theexperimental group where the
independent variable is applied
7. Dependent Variable
ANS measurable effect, outcome, or response in which the re-search is interested
8. Experiment
ANS research study conducted to determine the effect that one variablehas upon another
variable
9. Forensic Science
ANS application of scientific knowledge to questions of civil andcriminal law
10. Hypothesis
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,PLTW Biomed Semester One Final Review.pdf file:///C:/Users/HP/Desktop/NIW/PLTW%20Biomed%20Semester%
ANS clear prediction of the anticipated results of an experiment
11. Independent Variable
ANS variable that is varied or manipulated by the researcher
12. Negative Control
ANS control group where conditions produce a negative outcome,negative control groups help
identify outside influences which may be present thatwere not accounted for when the
procedure was created
13. Personal Protective Equipment
ANS specialized clothing or equipment, worn byan employee for protection against infectious
materials (as defined by OSHA)
14. Positive Control
ANS group expected to have a positive result, allowing the re-searcher to show that the
experimental set up was capable of producing results
15. What is DNA?
ANS DNA is a unique code of over three billion base pairs that providea genetic blueprint for an
individual. It stands for deoxyribonucleic acid, found in every living thing, and each one's DNA
is different. It's double stranded, helical
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