Stabilization of fibrin is catalyzed by activated factor XIII and Ca2

TLS Online TPP Program

#Id: 3306

#Unit 3. Fundamental Processes

Unlike base excision repair, the nucleotide excision repair enzymes do not recognize any particular lesion. Rather, this system works by recognizing distortions to the shape of the double helix, such as those

caused by a thymine dimer or by the presence of a bulky chemical adduct on a base.

TLS Online TPP Program

#Id: 8377

#Unit 2. Cellular Organization

Myosins have 

Motor head domain

Lever-arm neck domain

Cargo-binding tail domain

TLS Online TPP Program

#Id: 10035

#Unit 4. Cell Communication and Cell Signaling

NF-κB signaling is turned off by negative feedback

regulation because one of the genes whose transcription is induced by NF-κB encodes I-κBα.

TLS Online TPP Program

#Id: 7846

#Unit 1. Molecules and their Interaction Relevant to Biology

When the anomeric hydroxyl of a D-hexose is on the same side of the ring as C-6, the structure is β a by definition; when it is on the opposite side from C-6, the structure is α.

TLS Online TPP Program

#Id: 6887

#Unit 3. Fundamental Processes

Inactivation of the X chromosome in females is governed by the n–1 rule