Retinal ganglion cells contain melanopsin.

TLS Online TPP Program

#Id: 3983

#Unit 2. Cellular Organization

The human type II topoisomerases are targeted by doxorubicin (Adriamycin), etoposide (Etopophos), and ellipticine.

Most of these drugs stabilize the covalent topoisomerase-DNA (cleaved) complex.

TLS Online TPP Program

#Id: 5531

#Unit 7. System Physiology – Animal

Transepithelial Voltage 

Cl− diffusion establishes a Cl− diffusion potential, making the lumen positive with respect to blood.

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#Id: 2203

#Unit 10. Ecological Principles

Many restored habitats have greater biodiversity and ecosystem services than degraded habitats.

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#Id: 7554

#Unit 6. System Physiology – Plant

Ratio of GA:ABA affects early germination (vivipary).   With high levels of ABA, seeds remain dormant.  

TLS Online TPP Program

#Id: 7040

#Unit 11. Evolution and Behavior

Populational change is Darwin’s hypothesis that evolution occurs by changes in the proportions (frequencies) of different variant kinds of individuals within a population.