lac

Site

...ein binds to prevent transcription , e.g. in the lac operon . organogenesis - creation of specific tissue s and bodily organ s by cell inter action and rearrangement following gastrulation . Back to the Top ... Full article >>> reservoir. The site where a pest population or ...

Repressor

...l article >>> Lac repressor The lac repressor is an enzyme which stops the metab...ence of the inducing substance (in the case of the lac operon , lactose). Full article >>> Repressor . A DNA -binding protein in proka...

Operon

... Operon s have not been found in eukaryotes The lac operon Lactose is a sugar found in milk. If lact...- gene encoding the repressor protein of the lac operon ; when lactose binds the repressor protein , the lac operon is induced. Full article &...

Operator

...ated structural gene s. The gene encoding the lac repressor is called the I gene . It happens to be located just upstream of the lac promoter . Full article >>> Operator The DNA sequence where a repressor prot...

Lagging strand

...kazaki fragments . Full article >>> lac operon [Discussion] [using it to detect mutation...g it to detect cell -specific gene expression ] lac repressor [Discussion] [isolating by affinity chromatography ] Lactase Lacteal Lactose Lagging str...

Lac repressor

The lac repressor (LacI) operates by binding to the operator region of the lac operon . This blocks RNA polymerase from binding, and so prevents transcription of the m RNA c...

Insertion sequences

... In E. coli, spontaneous mutation s in gal and in lac genes occur at 10-5 to 10-7 per generation. The mutation s are highly polar. The polarity depends on r -factor . Full article >>> Insertion sequences are short (600-1500 base pair s long ) simple transposon s that do not carry ...

Insertion Sequence

... In E. coli, spontaneous mutation s in gal and in lac genes occur at 10-5 to 10-7 per generation. The mutation s are highly polar. The polarity depends on r -factor . Full article >>> Insertion sequence (IS element) Group of transposable element s that were detected by Saedler, Star...

Insertion

... In E. coli, spontaneous mutation s in gal and in lac genes occur at 10-5 to 10-7 per generation. The mutation s are highly polar. The polarity depends on r -factor . Full article >>> The insertion of a segment from one chromosome into another non- homologous chromosome . A B C ...

Inducer

...- gene encoding the repressor protein of the lac operon ; when lactose binds the repressor protein , the lac operon is induced. Full article >>> Inducer : A small molecule , such as IPTG, th...

In vivo

...--D-thiogalactoside. A gratuitous inducer of the lac operon . Full article >>> In vivo. Refers to biological processes that take place within a living organ ism or cell . Ion. A charged particle. Full article >>> In vivo: In living organ ism K Karyotype : A photomicro...

In situ hybridization

...- gene encoding the repressor protein of the lac operon ; when lactose binds the repressor protein , the lac operon is induced. Full article >>> In situ hybridization : Use of a DNA or RNA...

Hybridization

...- gene encoding the repressor protein of the lac operon ; when lactose binds the repressor protein , the lac operon is induced. Full article >>> (Redirected from Hybridization ) In genetics ...

Hybrid

...- gene encoding the repressor protein of the lac operon ; when lactose binds the repressor protein , the lac operon is induced. Full article >>> In the authors' hybrid GA, a shortest-path-fi...

Downstream

...Z structural gene is located downstream of the lac promoter . Full article >>> Downstream from TNF-R1 and Fas activation - at least in mammalian cells - a balance between pro- (like BAX, BID, or BAD) and anti-apoptotic (Bcl-Xl and Bcl-2) members of the Bcl-2 family is compromise...

Bacteriophage lambda

...as the vector for 3 genetic elements from the lac operon of E. coli the lacI gene the operator of the operon the beta-galactosidase (lacZ) gene ... Full article >>> Participants used restriction enzymes to cut DNA from the bacteriophage lambda and analyzed the result...