Pancreatic polypeptide is closely related to, 

polypeptide YY, a gastrointestinal peptide

neuropeptide Y, found in the brain & autonomic nervous system

TLS Online TPP Program

#Id: 6295

#Unit 3. Fundamental Processes

An additional DNA element that binds RNA polymerase is found in some strong promoters, for example, those directing expression of the ribosomal RNA (rRNA) genes. This is called an UP-element and increases polymerase binding by providing an additional specific interaction between the enzyme and the DNA.

TLS Online TPP Program

#Id: 7992

#Unit 10. Ecological Principles

Excretory organs such as

a. Flame cells 

b. Nephridia 

c. Gills

d. Water vascular system

e. Kidneys  excrete these wastes.

TLS Online TPP Program

#Id: 732

#Unit 3. Fundamental Processes

The GATC sites at the origin remain hemimethylated for 13 minutes after replication.

TLS Online TPP Program

#Id: 8751

#Unit 1. Molecules and their Interaction Relevant to Biology

The protein p27 is intrinsically disordered. It wraps around and inhibits the action of several enzymes called protein kinases that facilitate cell division. 

TLS Online TPP Program

#Id: 10393

#Unit 4. Cell Communication and Cell Signaling

Precancerous cells have: 

lost contact inhibition

less adherent and more rounded than normal cells

continue to divide