Molecular Biology: Gel Electrophoresis Basics
5 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the main purpose of gel electrophoresis in DNA analysis?

  • To neutralize the charge of DNA fragments
  • To cut DNA fragments into smaller pieces
  • To separate DNA fragments based on size (correct)
  • To replicate DNA within bacterial cells
  • Which type of gel is most commonly used in gel electrophoresis for DNA separation?

  • Polyacrylamide
  • Silica
  • Cellulose
  • Agarose (correct)
  • What visual marker is used to observe DNA fragments after gel electrophoresis?

  • Fluorescent dyes
  • Radiolabeled probes
  • Ethidium bromide (correct)
  • Agarose crystals
  • What defines a cloning vector like a plasmid or bacteriophage?

    <p>Their high copy number within bacterial cells (A)</p> Signup and view all the answers

    How do smaller DNA fragments behave in gel electrophoresis compared to larger fragments?

    <p>They migrate farther than larger fragments (B)</p> Signup and view all the answers

    Flashcards

    Gel Electrophoresis

    A technique used to separate DNA fragments based on size.

    Cloning Vector

    A DNA molecule used to carry foreign DNA into a host cell for replication.

    DNA Fragment Separation

    DNA pieces are separated by size using gel electrophoresis.

    Agarose Gel

    A common gel medium used in gel electrophoresis to separate DNA fragments.

    Signup and view all the flashcards

    Restriction Enzyme

    Enzyme that cuts DNA at specific sequences.

    Signup and view all the flashcards

    More Like This

    Molecular Biology Techniques: PCR and Gel Electrophoresis
    40 questions
    Nucleic Acid Analysis and Techniques
    43 questions

    Nucleic Acid Analysis and Techniques

    ConciliatoryChrysoprase9062 avatar
    ConciliatoryChrysoprase9062
    Use Quizgecko on...
    Browser
    Browser