Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
POLYCISTRONIC
|
CODES FOR MULTIPLE PROTEINS (EACH HAVE THEIR OWN START & STOP CODON WITHIN THE mRNA)
|
|
OPERON
|
STRETCH OF DNA INCLUDING THE OPERATOR, THE PROMOTER, AND THE GENES THAT THEY CONTROL
|
|
OPERATOR
|
A CLUSTER OF FUNCTIONALLY RELATED GENES UNDER COORDINATE CONTROL BY A SINGLE ON-OFF SWITCH, A SEGMENT OF DNA WITHIN THE PROMOTER
|
|
REPRESSIBLE
|
MOSTLY ON, TURNED OFF WHEN NOT NEEDED
|
|
INDUCIBLE
|
MOSTLY TURNED ON WHEN NEEDED
|
|
REPRESSOR
|
PROTEIN THAT SWITCHES OFF THE OPERON
|
|
REGULATORY GENE
|
CODES FOR A PROTEUN SUCH AS A REPRESSOR THAT CONTROLS THE TRANSCRIPTION OF ANOTHER GENE OR GROUP OF GENES
|
|
TRPR
|
PROTEIN THAT, ONLY WHEN BOUND TO TRP, BINDS TO THE TRP OPERATOR AND TURNS TRP OPERON OFF (BY BLOCKING RNA POL)
|
|
COREPRESSOR
|
SMALL MOLECULE THAT COOPERATES WITH A REPRESSOR PROTEIN TO SWITCH AN OPERON OFF
|
|
INDUCER
|
A SPECIFIC SMALL MOLECULE THAT BINDS TO A BACTERIAL REPRESSOR PROTEIN AND CHANGES THE REPRESSOR'S SHAPE SO THAT IT CANNOT BIND TO A OPERATOR, THUS SWITCHING THE OPERON ON
|
|
TRP OPERON
|
REPRESSIBLE OPERON THAT TRANSCRIPTION IS USUALLY ON BUT CAN BE INHIBITED WHEN A SPECIFIC SMALL MOLECULE BINDS ALLOSTERICALLY TO A REGULATORY PROTEIN
|
|
LAC OPERON
|
INDUCIBLE OPERON THAT IS USUALLY OFF BUT CAN BE STIMULATED WHEN A SPECIFIC SMALL MOLECULE INTERACTS WITH A REGULATORY PROTEIN
|
|
INDUCIBLE ENZYMES
|
USUALLY FUNCTIONING IN CATABOLIC PATHWAYS; THEIR SYNTHESIS IS INDUCED BY A CHEMICAL SIGNAL
|
|
REPRESSIBLE ENZYMES
|
USUALLY FUNCTION IN ANABOLIC PATHWAYS; THEIR SYNTHESIS IS REPRESSED BY HIGH LEVELS OF THE END PRODUCT
|