The principal cells reabsorb sodium and water from the lumen and secrete potassium ions into the lumen

TLS Online TPP Program

#Id: 9556

#Unit 11. Evolution and Behavior

TLS Online TPP Program

#Id: 7912

#Unit 2. Cellular Organization

The majority of proteins located in mitochondria are not encoded by mtDNA, they are encoded by genes in the nucleus and are imported into the mitochondria after their synthesis in the cytosol.

TLS Online TPP Program

#Id: 1566

#Unit 4. Cell Communication and Cell Signaling

Noncanonical pathways can be divided into two types: 

1. The “planar cell polarity” pathway

2. The “Wnt/calcium” pathway

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#Id: 6922

#Unit 8. Inheritance Biology

Deletion of a number of pairs that is not evenly divisible by three will lead to a frameshift mutation. 

TLS Online TPP Program

#Id: 10075

#Unit 4. Cell Communication and Cell Signaling

In cultured cells, C → Y mutation in the EC5 domain of CDHR3 increases the cell-surface expression of CDHR3 and the binding and replication of RV-C.