The first myosin discovered

Myosin II, was isolated from skeletal muscle.

TLS Online TPP Program

#Id: 950

#Unit 5. Developmental Biology

Increase in cGMP and Ca2+ activate both mitochondrial ATP-generating apparatus and the dynein ATPase that stimulates flagellar movement in the sperm.

TLS Online TPP Program

#Id: 7255

#Unit 5. Developmental Biology

B cells can be negatively signaled through CD22 and FcγRIIb a receptor that recognizes the presence of IgG containing immune complexes in the blood.

TLS Online TPP Program

#Id: 2384

#Unit 3. Fundamental Processes

More than 90% of the genes expressed in mammals are alternatively spliced

TLS Online TPP Program

#Id: 8191

#Unit 2. Cellular Organization

PTS1 signals are recognized by the peroxin Pex5 receptor

PTS2 signals are recognized by the peroxin Pex7 receptor

Neither targeting sequence is cleaved after import.

TLS Online TPP Program

#Id: 7889

#Unit 2. Cellular Organization

In mitochondria, the metabolism of sugars is complete: allows 15 times more ATP to be made from a sugar than by glycolysis alone.