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PLTW Biomedical EOC Review Questions and Verified Answers (2024 / 2025) 100% Guarantee Pass
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PLTW Biomedical EOC Review Questions and Verified Answers (2024 / 2025) 100% Guarantee Pass
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Biomedical PLTW EOC Review.pdf file:///C:/Users/HP/Desktop/New%20folder%20(4)/Biomedical%2Biomedical PLTW EOC Review
1. What are 5 pieces of evidence that can be found at a crime scene to solve a crime?
Answer -fingerprints
-blood sample
-strand of hair
-shoeprints
-vomit
2. What are the four bases of DNA? Which are purines and which are pyrim- idines?
Answer Adenine
Guanine
Cytosine
Thymine
(C & T are purines)
(A & G are pyrimidines)
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,Biomedical PLTW EOC Review.pdf file:///C:/Users/HP/Desktop/New%20folder%20(4)/Biomedical%2
3. What do restriction enzymes?
Answer cut DNA
4. What does gel electrophoresis do?
Answer it is used to separate DNA fragments according to size and charge
5. Explain the difference between negative and positive feedback with ex- amples
Answer Positive- causes reinforcement of original action, input causes action to increase (ex
fever, blood clot formation)
Negative- causes system to stop doing original action and either take no action or perform
opposite action (ex
body temperature, blood pressure)
6. What is the difference between dehydration synthesis and hydrolysis?
Answer De- hydration synthesis- process of joining two molecules together after the removal of
water
Hydrolysis- chemical breakdown due to the reaction of water
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