Biology 101 Lab Quiz: Experiment #5

University:
Lindsey Wilson College
Course:
BIOL 1103 | Principles of Biology
Academic year:

2022
Views:

30

Pages:

2
Author:

Thomas Anderson

Biology Lab Quiz Experiment #5 Biology Lab Quiz with AK 1. For isolaEon DNA from a strawberry, the purpose of using extracEon buﬀer is: A. To keep the DNA in the cell components B. To remove the large parEcles from cell components C. To release the DNA from the surrounding cell components D. To break down the cell wall of strawberry ANSWER: C 2. Alcohol used in DNA extracEon: A. Precipitated DNA B. Precipitated RNA-protein complex C. Precipitated protein D. Precipitated cell debris ANSWER: A 3. Which of the following represents the main three steps to extract DNA from a strawberry? A. Lysis > Filter > Alcohol precipitaEon B. Lysis > Alcohol precipitaEon > Filter C. Alcohol precipitaEon > Lysis > Filter D. Filter > Lysis > Alcohol precipitaEon ANSWER: A 4. The purpose of using the ﬁlter in DNA extracEon is: A. To break down the cell wall of strawberry B. To change the amount of DNA in the cell components C. To keep the DNA in the cell components D. To remove the large parEcles from cell components ANSWER: D 5. To break down the cell wall during DNA extracEon from strawberry, you are supposed to use: A. Chemical disrupEon B. Mechanical force C. Filter D. ExtracEon buﬀer ANSWER: B 1- The Device that is used two separate liquid compounds depending on density by electrical motor is known as ? Answer:-Centrifuge 2- when you want to use the Micropipette during the experiment it should be hold in which position? Answer :- vertical position 3-what is the total magnification if you used a light microscope with ocular lenses of power 10X and select objective lenses of power 40X? Answer:- 400X 4- Which part of the microscope is used to provide the sample with good intensity of cone of light ? Answer:-Diaphragm