Francois Jacob, 1961

Genes can be turned on and off.

francois jacob

  • ID: 16029
  • Source: DNALC.DNAi

Related Content

15694. Francois Jacob

Francois Jacob, Cold Spring Harbor, 1953 meeting. Source: Cold Spring Harbor Laboratory Archives.

  • ID: 16029
  • Type: animation
  • Source: DNAi

15693. François Jacob and Jacques Monod

François Jacob (1953) and Jacques Monod

  • ID: 16029
  • Type: animation
  • Source: DNAi

15687. Francois Jacob and drawing

Francois Jacob draws out the control mechanism he co-discovered.

  • ID: 16029
  • Type: animation
  • Source: DNAi

15877. The RNA experiment

Sydney Brenner, Francois Jacob and Matt Meselson's experiment showed that RNA was a copy of the information in DNA. As a messenger, RNA transported the information from the nucleus to the protein-making machinery in the cell.

  • ID: 16029
  • Type: animation
  • Source: DNAi

15884. The lac operon

Francois Jacob and Jacques Monod figured out how bacteria controlled the production of an enzyme called beta-galactosidase. This system of feedback and negative regulation became the lac operon and was the first model for the control of protein productio

  • ID: 16029
  • Type: animation
  • Source: DNAi

16702. Biography 33: Francois Jacob (1920 - )

Francois Jacob and Jacques Monod were the first to discover how genes were turned on and off.

  • ID: 16029
  • Type: animation
  • Source: DNAFTB

15684. Jacob's lac operon drawing

Small image of Francois Jacob's lac operon drawing.

  • ID: 16029
  • Type: animation
  • Source: DNAi

15886. Lac operon problem

The first model for the control of protein production was the lac operon. This system of feedback and negative regulation is used by bacteria, however, the general principles also apply to higher organisms. Another method of protein regulation involves

  • ID: 16029
  • Type: animation
  • Source: DNAi

15330. Messenger RNA, Matthew Meselson

Matt Meselson also had a hand in Sydney Brenner's RNA experiment. He talks about the experiment and how they waited for James Watson's group to finished their RNA work before publishing.

  • ID: 16029
  • Type: animation
  • Source: DNAi

16688. Animation 33: Genes can be turned on and off.

Jacques Monod and Francois Jacob work with how bacteria breaks large sugars into smaller pieces.

  • ID: 16029
  • Type: animation
  • Source: DNALC.DNAFTB