François Jacob and drawing
François Jacob draws out the control mechanism he co-discovered. In the 1960s, the control of protein production was figured out for a sugar metabolic pathway in bacteria. Bacteria turn on the production of an enzyme called beta-galactosidase when the sugar galactose is a food source. The mechanics of this type of genetic control are applicable to single-celled organisms like bacteria. However, the general principles of how genetic control works also apply to higher-order cells.
single celled organisms,beta galactosidase,françois jacob,jacob francois,metabolic pathway,protein production,genetic control,galactose,control mechanism,food source,general principles,bacteria,1960s,mechanics,cells,drawing
- ID: 15687
- Source: DNALC.DNAi
15270. Deciding on studying the lac operon, François Jacob
François Jacob explains why Jacques Monod chose to work with the lactose system.
15269. The discovery of the lac operon, François Jacob
François Jacob talks about how enzyme production was viewed at the time they were beginning their experiments.
15884. The lac operon
Francois Jacob and Jaçques 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
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
15268. Designing bacteria, François Jacob
François Jacob talks about designing bacteria.
16480. Gallery 21: Letter from FranÃ§ois Jacob's to Matt Meselson
FranÃ§ois Jacob's letter to Matt Meselson about his planned trip to Meselson's lab.
15271. Discovering the lac operon, François Jacob
François Jacob talks about bacterial mutants that could not metabolize lactose. Using these mutants, Jacob and Monod figured out how protein production is controlled.
15275. Molecules thought to be unique to species, François Jacob
FranÃ§ois Jacob talks about molecules thought to be unique to species
16733. Biography 35: James E. Darnell, Jr. (1930 - )
James Darnell studied how chemical signals turn eukaryotic genes on and off.
15684. Jacob's lac operon drawing
Small image of François Jacob's lac operon drawing.