In contrast, there is another category of heterochromatin, called facultative heterochromatin, in which regions of euchromatin are converted to a heterochromatic state.

TLS Online TPP Program

#Id: 9864

#Unit 6. System Physiology – Plant

Phot2 plays a key role in the avoidance response, and that both phot1 and phot2 contribute to the accumulation response.

TLS Online TPP Program

#Id: 4737

#Unit 5. Developmental Biology

During early cleavage, each asymmetrical division produces:

• One founder cell (denoted AB, E, MS, C, and D) that produces differentiated descendants
• One stem cell (the P1–P4 lineage) 

TLS Online TPP Program

#Id: 3049

#Unit 10. Ecological Principles

Number of species of plants on island per year

TLS Online TPP Program

#Id: 2797

#Unit 13. Methods in Biology

Relationship between the number of theoretical plates (N) and the shape of the analyte peak.

TLS Online TPP Program

#Id: 6941

#Unit 8. Inheritance Biology

 If their positions are altered by an inversion, their expression may be altered, an outcome referred to as a position effect.