A eukaryotic genome is divided into multiple replicons, and the origin in each replicon is activated once and only once in a single division cycle.

TLS Online TPP Program

#Id: 6060

#Unit 10. Ecological Principles

Mediterranean shrublands (chaparral):  These are located near an ocean and have wet, cool winters and hot, dry summers.  Rainfall is 40 to 100 centimeters per year. 

Fire is a common feature of this biome, and the shrubs are adapted to withstand occasional fires. 

TLS Online TPP Program

#Id: 4479

#Unit 13. Methods in Biology

Formaldehyde a common fixative, crosslinks amino groups on adjacent molecules

TLS Online TPP Program

#Id: 9732

#Unit 6. System Physiology – Plant

One plant produced sesquiterpene, (E)‐β‐farnesene (EBF), has been considered a potential defense against aphids, since its emission by plants causes aphids to drop off the plant or depart from the feeding site. 

TLS Online TPP Program

#Id: 7821

#Unit 10. Ecological Principles

Supercooling – This is ability to withstand freezing

TLS Online TPP Program

#Id: 431

#Unit 2. Cellular Organization

Core DNA has an invariant length of 146 bp the minimum length of DNA needed to form a stable monomeric nucleosome, and is relatively resistant to digestion by nucleases.