Two to four monomers of Dna AA TP bind at the origin, and after release of DiaA, they recruit two "pre-priming" complexes of the DnaB helicase bound to DnaC-ATP, so that there is one DnaB-DnaC-ATP complex for each of the two (bidirectional) replication forks.

TLS Online TPP Program

#Id: 1174

#Unit 7. System Physiology – Animal

Rods 

• Have low acuity or resolution

• are sensitive to low-intensity light

• receptors for night vision (scotopic vision)

TLS Online TPP Program

#Id: 4478

#Unit 13. Methods in Biology

DIC microscopy easily defines the outlines of large organelles, such as the nucleus and vacuole.

TLS Online TPP Program

#Id: 2846

#Unit 13. Methods in Biology

Sample injection; due to the high protein concentration, the absorbance reaches the maximum recordable value; most protein passes through the column, unbound.

Contaminating proteins eluting by way of a salt gradient.

TLS Online TPP Program

#Id: 6319

#Unit 3. Fundamental Processes

A rut site has a sequence rich in C and poor in G preceding the actual site(s) of termination. The sequence corresponds to the 3’ end of the RNA.

TLS Online TPP Program

#Id: 5785

#Unit 7. System Physiology – Animal

Process of concentrating the iodide in the cell is called iodide trapping