Direct-acting carcinogens

highly reactive compounds that can react with and modify nucleotide bases in DNA, to distort the normal pattern of base pairing.

TLS Online TPP Program

#Id: 9226

#Unit 6. System Physiology – Plant

Carbon cycle, nitrogen cycle, and oxygen cycle atoms circulate through photorespiration

TLS Online TPP Program

#Id: 5975

#Unit 10. Ecological Principles

TLS Online TPP Program

#Id: 1411

#Unit 4. Cell Communication and Cell Signaling

Smooth muscle contraction is regulated by the cycling of myosin II between on and off states.

     OR

Smooth muscle contraction is regulated by myosin regulatory light chain associated with the myosin II neck domain.

TLS Online TPP Program

#Id: 10511

#Unit 4. Cell Communication and Cell Signaling

CED-3 in C. elegans = Caspase-9 in mammals

TLS Online TPP Program

#Id: 2030

#Unit 8. Inheritance Biology