What happens if several hydrophobic amino acids are deleted from an ER signal sequence?

TLS Online TPP Program

#Question id: 32384

#Unit 2. Cellular Organization

Weak binding of the myosin head to a new site on the actin filament causes release of the inorganic phosphate produced by ATP hydrolysis, concomitantly with the tight binding of the head to actin. This state known as:

TLS Online TPP Program

#Question id: 32385

#Unit 2. Cellular Organization

What is the correct sequence of the cycle of structural changes used by myosin II to walk along an actin filament?

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;