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TLS Online TPP Program

#Id: 3363

The two chromophores in E. coli photolyase (Mr 54,000), N5 N10-methenyltetrahydrofolylpolyglutamate (MTHF polyGlu) and FADH , perform complementary functions.



#Unit 3. Fundamental Processes #DNA damage and repair mechanisms #Part A (Short Concepts)
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TLS Online TPP Program

#Id: 8384

#Unit 2. Cellular Organization

The length of the myosin II neck domain determines the rate of movement.
TLS Online TPP Program

#Id: 8385

#Unit 2. Cellular Organization

In the absence of ATP, the myosin head is firmly attached to the actin filament. 
TLS Online TPP Program

#Id: 8386

#Unit 2. Cellular Organization

In the presence of ATP,  myosin head releases from the actin filament. 
TLS Online TPP Program

#Id: 8387

#Unit 2. Cellular Organization

Thick-filament regulation
Myosin-dependent mechanism regulate contraction in smooth muscle and non-muscle cells.
TLS Online TPP Program

#Id: 8388

#Unit 2. Cellular Organization

Smooth muscle cells and nonmuscle cells are regulated by:
Norepinephrine, angiotensin, endothelin, histamine
TLS Online TPP Program

#Id: 8389

#Unit 2. Cellular Organization

Smooth muscle contraction is regulated by the cycling of myosin II between on and off states.