The nicotinic receptor for ACh is an example of a ligand-gated ion channel

TLS Online TPP Program

#Id: 4763

#Unit 5. Developmental Biology

SKN-1 also inhibits PAL-1 (preventing it from becoming active in the EMS cell).

TLS Online TPP Program

#Id: 2306

#Unit 3. Fundamental Processes

Initiation elongation complex forms at 10 bases, mayloses sigma, and loses contacts from -35 to -55.

TLS Online TPP Program

#Id: 8079

#Unit 13. Methods in Biology

α-helix has positive band at 190nm and negative bands at 222nm and 208nm.

TLS Online TPP Program

#Id: 6024

#Unit 3. Fundamental Processes

DNA polymerase a is unusual because it has the ability to initiate a new strand. It is used to initiate both the leading and lagging strands. 

The enzyme exists as a complex consisting of a 180-kD catalytic (DNA polymerase) subunit, which is associated with three other subunits: the B subunit that appears necessary for assembly, and two small subunits that provide the primase (RNA polymerase) activity.  It has dual capacity to prime and extend chains, this complex is often called pol a/primase.

TLS Online TPP Program

#Id: 2915

#Unit 3. Fundamental Processes

The length of duplex DNA that usually is unwound to initiate replicati011 is probably <60 bp.