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3 cards from this section. Quick, good the night before a test.
What is the main purpose of gel electrophoresis?
Think about how we analyze or observe something.
Name one staining agent used in gel electrophoresis.
This agent helps visualize DNA in a gel.
What technique is primarily used to separate DNA fragments?
Think about the technique involving gels and electric current.
True or False: Ethidium bromide is a safe chemical used without precautions.
Consider the safety information related to chemicals in labs.
A scientist runs a gel electrophoresis experiment with two DNA samples: one from a genetically modified plant and one from its wild-type counterpart. After staining, the modified plant shows an additional band. Discuss the implications of this result.
Consider what additional bands indicate in terms of DNA sequences.
You are tasked with designing a gel electrophoresis experiment for a forensic lab. What steps would you take to ensure accurate and reliable visualization of DNA? Discuss the considerations for gel design, staining, and viewing methods.
Think about how to avoid common pitfalls in DNA analysis.
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