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Biology Lab Final Exam Updated Actual Questions And Correct Answers

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BIOLOGY LAB FINAL EXAM UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

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BIOLOGY LAB FINAL EXAM UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS

Question:
1. What does PCR stand for?

Answer:
Polymerase Chain Reaction

Question:
2. What is the first step of PCR?

Answer:
denaturation

Question:
3. What is the second step of PCR?

Answer:
annealing

Question:
4. Which of the following is NOT contained in a gel
solution?

Answer:
gel buffer

Question:
5. DNA polymerase are...

Answer:
enzymes that synthesize growing DNA

Question:
6. What charge does DNA have

Answer:
negative

Question:
7. Standard sized DNA fragments used for comparison in
gels are called

Answer:
ladders

, Question:
8. gel electrophoresis separates DNA fragments by what?

Answer:
size

Question:
9. what type of gel will we create in lab?

Answer:
agarose

Question:
10. To which electrode will DNA migrate in gel
electrophoresis?

Answer:
positive

Question:
11. Catabolic reactions synthesize large molecules from
smaller ones.

Answer:
false

Question:
12. Anabolic reactions breakdown food to obtain energy.

Answer:
False

Question:
13. What is the PH indicator we use in this experiment? (Lab
7)

Answer:
phenolphthalein

Question:
14. What is our titrant in this experiment?

Answer:
sulfuric acid

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