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11th Grade Gel Electrophoresis Quizzes, Questions & Answers

11th Grade

Top Trending Gel Electrophoresis Quizzes

This quiz features 20 questions about gel electrophoresis, a technique used to visualize DNA, and is designed for students in Grade 11. You will explore key concepts such as the principles of DNA separation, the role of agarose...

Questions: 20 | Attempts: 11 | Last updated: Mar 8, 2026

Sample Question 1
Why is a chemical stain necessary for visualizing dna gel results after electrophoresis?

DNA is naturally colorless and invisible to the naked eye

DNA is too small to stay in the gel without dye

The dye provides the electric charge for the DNA

The dye acts as a weight to sink the DNA

DNA only moves if it is colored

Sample Question 2
Ethidium Bromide is a common fluorescent tag used for visualizing dna gel fragments because it glows under ultraviolet light.

True

False

Sample Question 3
Which of the following safety precautions are mandatory when visualizing dna gel results using a UV transilluminator?

Wearing a UV-blocking face shield

Wearing nitrile gloves

Ensuring skin is not exposed to the light

Wearing a lead apron

Using a darkroom or enclosure

Recent Gel Electrophoresis Quizzes

The Molecular Ruler: DNA Ladder Explained

A band on a gel tells you where your DNA ended up, but without a reference it tells you nothing about how big it is. DNA ladder explained covers how commercially prepared mixtures of DNA fragments of known sizes serve as...

Questions: 20 | Attempts: 10 | Last updated: Mar 8, 2026

Sample Question
What is the primary purpose of using a DNA ladder in gel electrophoresis?

To act as a molecular ruler for estimating fragment size

To provide energy for the DNA movement

To change the charge of the unknown DNA

To prevent the gel from melting

To dye the DNA purple