TBP–DNA complex. TBP (purple) is complexed with the DNA TATA sequence (gray) found at the start of many Pol II genes. 

TLS Online TPP Program

#Id: 10046

#Unit 4. Cell Communication and Cell Signaling

In the absence of Delta, 

TM subunit of Notch on the surface of a responding cell is non-covalently associated with its extracellular subunit; extracellular domain is folded

TLS Online TPP Program

#Id: 6023

#Unit 3. Fundamental Processes

DNA Pol a/ primase and DNA Pol d (which primarily act on the lagging strand) are only recruited after DNA unwinding.

TLS Online TPP Program

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#Unit 2. Cellular Organization

APC/C core is organized into three modules: 

1. a scaffold module 

2. a catalytic module

3. a substrate recognition module

TLS Online TPP Program

#Id: 853

#Unit 2. Cellular Organization

Phytoplasmas are specialized bacteria that are obligate parasites of the phloem tissue

TLS Online TPP Program

#Id: 8168

#Unit 2. Cellular Organization

Rab GTPases 

associate with transport vesicles and act as key regulators of vesicle trafficking to and fusion with the appropriate target membrane.