Late log phase of the bacterial growth curve

TLS Online TPP Program

#Question id: 32428

#Unit 2. Cellular Organization

When the incoming action potential activates a Ca²⁺ channel in the T-tubule membrane, it triggers the: 

TLS Online TPP Program

#Question id: 32429

#Unit 2. Cellular Organization

In skeletal muscle the cytoplasmic Ca2+ concentration is restored to resting levels within 30 milliseconds, allowing the:

a. Binding of tropomyosin with myosin

b. Binding of calcium with troponin C 

c. Myofibrils to relax

d. Myofibrils to contract

TLS Online TPP Program

#Question id: 32430

#Unit 2. Cellular Organization

Muscle contraction depends on two processes: 

a. Filament sliding, driven by the ATPase domain of myosin 

b. Ca²⁺ pumping, driven by the Ca²⁺-pump

c. Filament sliding, driven by the ATPase domain of actin

d. Na⁺ pumping, driven by the Na⁺- K⁺ pump

TLS Online TPP Program

#Question id: 32431

#Unit 2. Cellular Organization

Which of the following myosin carry a wide range of cargoes including mRNA, endoplasmic reticulum, and secretory vesicles along the actin cables and into the bud?

TLS Online TPP Program

#Question id: 32432

#Unit 2. Cellular Organization

Which of the following condition leads to muscle relaxation?

TLS Online TPP Program

#Question id: 32433

#Unit 2. Cellular Organization

Rho kinase dependent phosphorylation leads to activation of:

a. MLC Phosphatase

b. MLC kinase

c. MLC

d. Rho-GTP