
Quiz 01
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Other
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University
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Practice Problem
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Easy
Kasuni Perera
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
01. Which of the following reagents is used to lyse cells during plasmid extraction?
RNase
SDS
Ethanol
TE buffer
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
02. What is the main source of DNA in blood?
02. What is the main source of DNA in blood?
Red blood cells
Platelets
Plasma
White blood cells
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
03. Which of the following is NOT an essential component of a standard PCR reaction?
03. Which of the following is NOT an essential component of a standard PCR reaction?
Primers
DNA ligase
MgCl₂
dNTPs
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
04. At what temperature does the annealing step usually occur?
04. At what temperature does the annealing step usually occur?
95°C
72°C
50–65°C
37°C
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
05. Iodine vapor is considered a non-permanent locating agent because
05. Iodine vapor is considered a non-permanent locating agent because
It oxidizes compounds completely
Spots fade over time
It reacts only with acids
It binds irreversibly to silica
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A DNA sample with an A260/A280 ratio below 1.6 likely has ________ contamination
7.
OPEN ENDED QUESTION
1 min • 1 pt
Name two next generation sequencing methods?
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