Each of the three β subunits has one catalytic site for ATP synthesis.

TLS Online TPP Program

#Id: 5935

#Unit 10. Ecological Principles

TLS Online TPP Program

#Id: 1452

#Unit 4. Cell Communication and Cell Signaling

Adhesion receptors mediate cell-matrix adhesions.

TLS Online TPP Program

#Id: 923

#Unit 13. Methods in Biology

The 51Cr Release Assay is used to measure Cell death not apoptosis

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: 6305

#Unit 3. Fundamental Processes

The E. coli rrn promoters are also regulated by a pair of small molecules: the initiating NTP (the iNTP) and an alarmone,  guanosine 5 -diphosphate 3-diphosphate (ppGpp). An abundance of iNTP indicates that the concentration of  nucleotides is high, and therefore it is appropriate to synthesize plenty of rRNA.