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TLS Online TPP Program

#Id: 10005

Sonic hedgehog is responsible for assuring that motor neurons come only from the ventral portion of the neural tube & essential for normal patterning of the limbs

#Unit 4. Cell Communication and Cell Signaling #Hedgehog Signaling #Part B Pointers
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TLS Online TPP Program

#Id: 7801

#Unit 2. Cellular Organization

An RNA helicase (Dbp5) located on the cytoplasmic side of the NPC removes NXF1 and NXT1 from the mRNA in a reaction that is powered by ATP hydrolysis.
TLS Online TPP Program

#Id: 7802

#Unit 2. Cellular Organization

Free NXF1 and NXT1 proteins are recycled back into the nucleus by the Ran-dependent import process.
TLS Online TPP Program

#Id: 7803

#Unit 2. Cellular Organization
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.