Gel Electrophoresis Practice

Flashcard
•
Biology
•
10th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is gel electrophoresis?
Back
A laboratory technique used to separate DNA, RNA, or proteins based on their size and charge.
2.
FLASHCARD QUESTION
Front
What is the role of the gel in gel electrophoresis?
Back
The gel acts as a medium through which molecules can move; smaller molecules move faster than larger ones.
3.
FLASHCARD QUESTION
Front
What is the purpose of the buffer solution in gel electrophoresis?
Back
The buffer maintains a stable pH and provides ions that carry the electric current.
4.
FLASHCARD QUESTION
Front
What is the significance of the DNA ladder in gel electrophoresis?
Back
The DNA ladder serves as a molecular weight marker to estimate the size of the DNA fragments.
5.
FLASHCARD QUESTION
Front
What is the charge of DNA molecules?
Back
DNA molecules are negatively charged due to their phosphate backbone.
6.
FLASHCARD QUESTION
Front
How does the size of DNA fragments affect their movement in gel electrophoresis?
Back
Smaller DNA fragments move faster and travel further through the gel than larger fragments.
7.
FLASHCARD QUESTION
Front
What is the purpose of staining in gel electrophoresis?
Back
Staining allows visualization of the DNA bands after electrophoresis.
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