TLS Online TPP Program

#Id: 9291

#XL - S Microbiology

Two types of symporters (NRT1 and NRT2) and one antiporter (CLC) are involved in nitrate transport in plants.

TLS Online TPP Program

#Id: 9661

#XL - T Zoology

Activated RTKs and cytokine receptors promote PLCγ activity in two ways: 

By localizing PLCγ to the membrane

By phosphorylating PLCγ

TLS Online TPP Program

#Id: 8947

#XL - T Zoology

An inhibitor of Kin4, called Lte1, localizes to the bud but is absent from the parent cell; it inhibits any residual Kin4 that leaks into the bud.

TLS Online TPP Program

#Id: 7055

#XL - T Zoology

Dollo’s law:  A biological generalization positing that complex characters, once lost in evolution, are extremely unlikely to reappear and thus the loss of complex characters is virtually always irreversible.

TLS Online TPP Program

#Id: 2163

#XL - T Zoology

An adaptation is a characteristic that enhances the survival or reproduction of organisms that bear it.