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TLS Online TPP Program

#Id: 2455

Binding of the repressor to the operator sequence blocks binding of RNA polymerase and so inhibits transcription.

#Unit 3. Fundamental Processes #Transcription elongation and termination #Part B Pointers
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TLS Online TPP Program

#Id: 859

#Unit 2. Cellular Organization

Many bacterial Avr effectors delivered by type III secretion are enzymes such as phosphatases, proteases, phosphoserine lyases, or E3 ubiquitin ligases that attenuate host defense signaling.
TLS Online TPP Program

#Id: 1096

#Unit 2. Cellular Organization

ATP-powered pumps use the energy released by hydrolysis of the terminal phosphoanhydride bond of ATP to transport ions.
TLS Online TPP Program

#Id: 1097

#Unit 2. Cellular Organization

Four classes of ATP-powered pumps:
P-class pumps
V-class pumps
F-class pumps
ABC Superfamily
TLS Online TPP Program

#Id: 1098

#Unit 2. Cellular Organization

ATP powered pumps transport ions and various small molecules across membranes always against their concentration gradients.
TLS Online TPP Program

#Id: 1099

#Unit 2. Cellular Organization

P1 ATPases transports
Cu+, Ag+, Cu2+, Zn2+, Cd2+, Pb2+ and Co2+.
TLS Online TPP Program

#Id: 1100

#Unit 2. Cellular Organization

P2 ATPases transports 
Na+, K+, H+ Ca2+, Mg2+ and phospholipids