Negative chronotropic effects are decreases in heart rate.

TLS Online TPP Program

#Id: 4735

#Unit 5. Developmental Biology

In C. elegans

When sperm fuses with the egg cell membrane, polyspermy is prevented by the rapid synthesis of chitin by the newly fertilized egg.

TLS Online TPP Program

#Id: 7213

#Unit 5. Developmental Biology

Class I presentation requires internal synthesis of virus protein, as shown by the requirement that the target cell be infected by live virus, and by the inhibition of class I presentation observed when protein synthesis was blocked by the inhibitor emetine

TLS Online TPP Program

#Id: 7981

#Unit 10. Ecological Principles

Many fish species have a gas-filled swim bladder that can adjust in size to make the density of the fish’s body equal to that of the surrounding water.

TLS Online TPP Program

#Id: 9953

#Unit 4. Cell Communication and Cell Signaling

Fungal disease

The barriers of innate immunity control most fungi.

Phagocytosis by neutrophils is a strong defense against most fungi

TLS Online TPP Program

#Id: 1980

#Unit 10. Ecological Principles