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11th Grade Gel Electrophoresis Quizzes, Questions & Answers

11th Grade

Top Trending Gel Electrophoresis Quizzes

After electrophoresis separates the DNA, the next challenge is making the invisible visible. Visualizing DNA gel explained covers how intercalating dyes like ethidium bromide and safer modern alternatives bind to DNA and...

Questions: 20 | Attempts: 10 | 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

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 1
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

Sample Question 2
A DNA ladder is composed of a mixture of DNA fragments with specific, predetermined lengths.

True

False

11th Grade Gel Electrophoresis Quizzes, Questions & Answers

Top Trending Gel Electrophoresis Quizzes

Recent Gel Electrophoresis Quizzes