Darkfield microscopy is used for very thin spirochetes, such as Treponema pallidum, the causative agent of syphilis.

TLS Online TPP Program

#Id: 7837

#Unit 2. Cellular Organization

The direction of the transport processes depends on the localization of the Ran-GEF predominantly in the nucleoplasm and the Ran-GAP predominantly in the cytoplasm

TLS Online TPP Program

#Id: 7876

#Unit 2. Cellular Organization

Mitochondria diameter of 0.5–1μm, dynamic, moving about the cell, constantly changing shape, dividing, & fusing.

TLS Online TPP Program

#Id: 7877

#Unit 2. Cellular Organization

The cristae’s membranes are the site of ATP synthesis thus the invaginations increase the mitochondrion’s capacity to generate ATP.

TLS Online TPP Program

#Id: 7878

#Unit 2. Cellular Organization

Crista junction

The connection between the inner boundary membrane and a crista

TLS Online TPP Program

#Id: 7879

#Unit 2. Cellular Organization

The curvature of the crista junctions is due to a protein complex called MICOS (mitochondrial contact site and cristae organizing system).

TLS Online TPP Program

#Id: 7880

#Unit 2. Cellular Organization

MICOS has an integral membrane protein subunit that homo-oligomerizes and bends the inner membrane to produce high curvature.