In the absence of Wnts,

β-catenin is bound in a complex with Axin (a scaffold protein), APC, and kinases CK1 and GSK3.

TLS Online TPP Program

#Id: 809

#Unit 3. Fundamental Processes

In the bacterial genome, the minimum length of promoter that could provide an adequate signal is 12 bp.  The minimum length required for unique recognition increases with the size of genome, a problem in eukaryotic genomes.

TLS Online TPP Program

#Id: 6750

#Unit 8. Inheritance Biology

Leucine marker

TLS Online TPP Program

#Id: 2981

#Unit 3. Fundamental Processes

DNA is synthesized in both semiconservative replication and repair reactions.

TLS Online TPP Program

#Id: 6788

#Unit 3. Fundamental Processes

Both siRNAs and miRNAs are generated from longer RNA molecules by the enzyme Dicer, an RNase III–like enzyme that recognizes and digests longer dsRNAs or the stem-loop structures formed by miRNA precursors.  The siRNA and miRNA products are typically 21–23 nucleotides long

TLS Online TPP Program

#Id: 2414

#Unit 3. Fundamental Processes

In bacteria, terminators come in two types: Rho-dependent and Rho-independent.