Third heart sound (S3) 

normal in children but is not heard in normal adults

indicates volume overload, as in congestive heart failure or advanced mitral or tricuspid regurgitation.

TLS Online TPP Program

#Id: 9340

#Unit 4. Cell Communication and Cell Signaling

N-terminal prodomain is required for proper folding and dimerization of the C-terminal TGF-β domain.

TLS Online TPP Program

#Id: 1828

#Unit 11. Evolution and Behavior

PreCambrian- Earliest eukaryotes and multicellular eukaryotes

TLS Online TPP Program

#Id: 9417

#Unit 11. Evolution and Behavior

The second part of Darwin’s hypothesis is that exaggerated secondary sexual traits decrease survival.

TLS Online TPP Program

#Id: 3009

#Unit 3. Fundamental Processes

Replication requires a helicase to separate the strands of DNA using energy provided by hydrolysis of ATP.

TLS Online TPP Program

#Id: 9808

#Unit 6. System Physiology – Plant

Phytochromobilin is exported from the plastid to the cytosol where it autocatalytically attaches to the PHY apoprotein through a thioether linkage to a cysteine residue.