Which of the following condition is involve to unfolds the myosin II, active and can assemble into bipolar filaments for contraction?

TLS Online TPP Program

#Question id: 32386

#Unit 2. Cellular Organization

In which case the myosin head releases from the actin filament?

a. Presence of ATP

b. Absence of ATP

c. Presence of Ca²⁺

d. Absence of Ca²⁺

TLS Online TPP Program

#Question id: 32387

#Unit 2. Cellular Organization

During myosin movement along actin filaments, hydrolysis of ATP occurs, but the ADP and inorganic phosphate (Pi) remain tightly bound to the protein. This state known as:

TLS Online TPP Program

#Question id: 32388

#Unit 2. Cellular Organization

What is the role of troponin I in muscle contraction?

TLS Online TPP Program

#Question id: 32389

#Unit 2. Cellular Organization

Vertebrate skeletal muscle contraction, also depends on set of specialized accessory proteins that is troponin, which is closely associated with the actin thin filaments. Troponin is a complex of three polypeptides except;

TLS Online TPP Program

#Question id: 32390

#Unit 2. Cellular Organization

What happens when Ca²⁺ binds to troponin C?

TLS Online TPP Program

#Question id: 32391

#Unit 2. Cellular Organization

Sarcomere shortening is caused by the: