Priming of replication on double-stranded DNA always requires a replicase, SSB, and primase.

TLS Online TPP Program

#Id: 6350

#Unit 8. Inheritance Biology

Barr body- Inactivated X chromosome that appears as a condensed, darkly staining structure in most cells of female placental mammals. 

TLS Online TPP Program

#Id: 9574

#Unit 11. Evolution and Behavior

Eon –  The longest portions of geologic time.

Hadeon, Archean, Proterozoic, and Phanerozoic.

TLS Online TPP Program

#Id: 8557

#Unit 1. Molecules and their Interaction Relevant to Biology

In more complicated systems, the primary plots may be linear but the secondary plots non-linear. For example, if not one but two molecules of inhibitor can bind to the substrate binding site, then parabolic competitive inhibition is said to occur, because of the shape of the secondary and Dixon plots.

TLS Online TPP Program

#Id: 5830

#Unit 10. Ecological Principles

Succession, the gradual and continuous change in species composition and community structure over time.

TLS Online TPP Program

#Id: 9269

#Unit 6. System Physiology – Plant

Fe protein 

contains 2 identical subunits (dimer) – nif H

Each subunit has MW of 30 ~ 72 kD.

Each subunit contains an Fe-S cluster (4Fe and 4S2-).