Histone mRNAs are not polyadenylated; their 3’ ends is recognized by hairpin structure.

TLS Online TPP Program

#Id: 4738

#Unit 5. Developmental Biology

The anterior-posterior axis is determined before the first cell division, and the cleavage furrow is located asymmetrically along this axis of the egg, closer to what will be the posterior pole.

TLS Online TPP Program

#Id: 5322

#Unit 7. System Physiology – Animal

Isovolumetric Ventricular Relaxation

Left ventricle is relaxed

Left ventricular pressure decreases

TLS Online TPP Program

#Id: 9368

#Unit 4. Cell Communication and Cell Signaling

Smad4 was originally called DPC (deleted in pancreatic cancer)

TLS Online TPP Program

#Id: 7419

#Unit 5. Developmental Biology

Ultrabithorax (Ubx), is required for the identity of the third thoracic segment.

TLS Online TPP Program

#Id: 8524

#Unit 2. Cellular Organization

Detyrosylation 

tyrosine can be removed by a carboxypeptidase, where it sequentially removes the C-terminal tyrosines from α-tubulin subunits.