A 25-year-old medical student spent a summer volunteering in the sub-Saharan region of Africa. There he noted a high incidence of people reporting difficulty with night vision due to a lack of vitamin A in their diet. Vitamin A is a precursor for the synthesis of

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: 

TLS Online TPP Program

#Question id: 32392

#Unit 2. Cellular Organization

Which troponin subunit binds to tropomyosin and anchors the troponin complex?

TLS Online TPP Program

#Question id: 32393

#Unit 2. Cellular Organization

In sarcomere, the actin filament plus ends are anchored in the:

TLS Online TPP Program

#Question id: 32421

#Unit 2. Cellular Organization

Non-muscle contractile bundles are regulated by: