ATP powered pumps transport ions and various small molecules across membranes always against their concentration gradients.

TLS Online TPP Program

#Id: 10063

#Unit 4. Cell Communication and Cell Signaling

CAMs fall into one of four major families: 

Cadherins

Immunoglobulin (Ig) superfamily

Integrins

Selectins

TLS Online TPP Program

#Id: 2900

#Unit 13. Methods in Biology

The greater the frictional coefficient is, the slower a particle will move

TLS Online TPP Program

#Id: 4966

#Unit 6. System Physiology – Plant

Change surface charge

Red light-treated barley root tips adhered to the sides of a beaker (with a negatively charged surface) but released after far red treatment, caused the surface to become positively charged and far red light negatively charged.

TLS Online TPP Program

#Id: 6706

#Unit 3. Fundamental Processes

There are two classes of snoRNPs involved in rRNA processing in nucleolus.  The box H/ACA snoRNPs are involved in pseudouridylylation, and box C/D snoRNPs function in 2-O-methylations.

TLS Online TPP Program

#Id: 9671

#Unit 4. Cell Communication and Cell Signaling

PH domain of PKB binds with high affinity to the 

3-phosphates in both PI(3,4)P2 and PI(3,4,5)P3