7.01SC | Fall 2011 | Undergraduate

Fundamentals of Biology

Recombinant DNA

Agarose Gel Electrophoresis, DNA Sequencing, PCR

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Session Overview

RecombDNA_sess5.jpg

This session will outline methods to analyze genes identified through recombinant DNA technologies.

Learning Objectives

  • To understand what an agarose gel is and how to use agarose gel electrophoresis to analyze DNA molecules.
  • To understand the basic mechanism of DNA sequencing by the dideoxy chain termination method.
  • To know that there is a vast database containing the DNA sequence of the entire genomes for many different organism, and understand why this is useful.
  • To understand the basic mechanism of the polymerase chain reaction (PCR) method of amplifying DNA and know when to use this technique.

Session Activities

Lecture Video

Watch the lecture video excerpt

Check Yourself

Question 1

Select the true statement or statements.

Question 2

When using chain termination sequencing, the nucleotides added as a chain terminator are…

Session Activities

Lecture Video

Watch the lecture video excerpt

Check Yourself

Question 1

Which of the following are required for a successful PCR amplification? 1. One or more copies of the DNA to be amplified. 2. all of the normal DNA nucleotides. 3. some dideoxynucleotides 4. Two distinct primers 5. E. coli DNA polymerase 6. DNA polymerase from an organism that lives at high temperature

Session Activities

Help Session Video

Watch the short video of Robert Dorkin explaining the Polymerase Chain Reaction (PCR) and DNA sequencing.

Practice Problems

Further Study

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