FtsZ functions at an early stage of septum formation.

Early in the division cycle, FtsZ is localized throughout the cytoplasm, but prior to cell division FtsZ becomes localized in a ring around the circumference at the mid-cell position.

The structure is called the Z-ring.

TLS Online TPP Program

#Id: 9942

#Unit 4. Cell Communication and Cell Signaling

Diphtheria

Natural infection with C. diphtheriae occurs only in humans and is spread by respiratory droplets. 

The organism colonizes the nasopharyngeal tract and causes little tissue damage, with only a mild inflammatory reaction. 

TLS Online TPP Program

#Id: 482

#Unit 2. Cellular Organization

Interphase chromatin remain attached to nuclear wall proteins via matrix attachment regions (MARs) or matrix attachment DNA sequences

TLS Online TPP Program

#Id: 7388

#Unit 5. Developmental Biology

TLS Online TPP Program

#Id: 6470

#Unit 3. Fundamental Processes

TLS Online TPP Program

#Id: 2798

#Unit 13. Methods in Biology

The precise relationship between the three factors and plate height is expressed by the van Deemter equation which is

where ux is the flow rate of the eluent and

A, B and C are constants for a particular column and stationary phase relating to multiple paths, longitudinal diffusion and equilibration time respectively