hydroxylating agent hydroxylamine (NH2OH) induces only G:C → A:T transitions not reversal.

TLS Online TPP Program

#Id: 3175

#Unit 3. Fundamental Processes

Each set of ter sites allows a replication fork into the termination region, but does not allow it out the other side.For example, replication fork 1 can pass through terC and terB into the region, but it cannot continue past terE, -D, and -A. This arrangement creates a "replication fork trap."

TLS Online TPP Program

#Id: 9106

#Unit 10. Ecological Principles

Invasive species An introduced species that spreads rapidly and has negative effects on other species, human recreation, or human economies. 

TLS Online TPP Program

#Id: 6021

#Unit 3. Fundamental Processes

Cdc45 and GINS form a stable complex with the Mcm2-7 helicase (called the Cdc45/ Mcm2-7/GINS, or CMG, complex) and dramatically activate Mcm2-7 helicase activity.

TLS Online TPP Program

#Id: 8071

#Unit 1. Molecules and their Interaction Relevant to Biology

Phosphorylation is the most common type of regulatory modification.

TLS Online TPP Program

#Id: 5429

#Unit 7. System Physiology – Animal

Orthograde transport has:

Fast axonal transport occurs at about 400 mm/day 

Slow axonal transport occurs at 0.5 to 10 mm/day