Smad2/3 become phosphorylated by active RI receptors and together with Smad4 move into the nucleus to activate gene transcription

TLS Online TPP Program

#Id: 7691

#Unit 1. Molecules and their Interaction Relevant to Biology

                                             bab Motif

These motifs are generally found in right handed helix above the plane of the beta sheet

Almost all the proteins containing parallel beta sheets have this motif. 

The helix is generally not seen below the plane of beta sheets                                           

TLS Online TPP Program

#Id: 3321

#Unit 6. System Physiology – Plant

Electrical potential energy that results from the separation of charge when a proton moves across the membrane without a counterion.

TLS Online TPP Program

#Id: 7182

#Unit 5. Developmental Biology

Noggin is a secreted protein that is able to accomplish two of the major functions of the organizer:  It induces dorsal ectoderm to form neural tissue It dorsalizes mesoderm cells that contribute to the ventral mesoderm

TLS Online TPP Program

#Id: 3635

#Unit 3. Fundamental Processes

A minimum of 32 tRNAs are required to translate all 61 codons (31 to encode the amino acids and 1 for initiation).

TLS Online TPP Program

#Id: 112

#Unit 5. Developmental Biology

Differential gene expression is the process by which cells become different from one another based on the unique combination of genes that are active, or “expressed.”