Paracellular reabsorption of cations causes slight positive charge of the tubular lumen relative to the interstitial fluid.

TLS Online TPP Program

#Id: 1442

#Unit 4. Cell Communication and Cell Signaling

The principal ECM adhesion receptor in epithelial hemidesmosomes is integrin α6β4.

TLS Online TPP Program

#Id: 817

#Unit 3. Fundamental Processes

Region 2.3, 2.4, and 4.2 contact bases in the -10 and -35 elements, respectively; 

sigma factor region 1.2 contacts the promoter region just downstream from the -10 element, and region 3.0 contacts the promoter region just upstream from the -10 element.

 

TLS Online TPP Program

#Id: 1029

#Unit 5. Developmental Biology

There are two principal modes of neurulation: 

1. Primary neurulation

2. Secondary neurulation

TLS Online TPP Program

#Id: 8832

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 2119

#Unit 8. Inheritance Biology

End-sequence profiling-can also detect deletion