Phytochrome B predominantly perceives red light, both phyD and phyE help mediate the shade avoidance response—a response mediated primarily by phyB.

TLS Online TPP Program

#Id: 7045

#Unit 11. Evolution and Behavior

 Mutationist - Theories were advanced by some geneticists who observed that discretely different new phenotypes can arise by a process of mutation.

TLS Online TPP Program

#Id: 9837

#Unit 6. System Physiology – Plant

COP1 is found in the nucleus in the dark and in the cytoplasm in the light. COP1 movement into the nucleus in the dark requires the COP9 signalosome (CSN) complex

TLS Online TPP Program

#Id: 4007

#Unit 2. Cellular Organization

Matrix-associated regions (MARs) may be identified by characterizing the DNA retained by the matrix isolated in vivo (left) or by identifying the fragments that can bind to the matrix from which all DNA has been removed (right).

TLS Online TPP Program

#Id: 5069

#Unit 3. Fundamental Processes

DnaA promotes replication

SeqA delays new round of replication by inhibiting dam methylase binding

Dam methylase provide substrate for DnaA

TLS Online TPP Program

#Id: 103

#Unit 5. Developmental Biology

Hans Driesch’s pressure-plate experiment implies that cell interaction is critical for normal development.