Podcast
Questions and Answers
Which structure is responsible for the movement of microtubules in an axoneme?
Which structure is responsible for the movement of microtubules in an axoneme?
- Dynein (correct)
- Nexins
- Centrioles
- Basal bodies
Which drug binds to tubulin and inhibits microtubule assembly?
Which drug binds to tubulin and inhibits microtubule assembly?
- Vincristine
- Taxol
- Colchicine (correct)
- Vinblastine
What is the function of nexins in an axoneme?
What is the function of nexins in an axoneme?
- Bending MTs
- Movement
- Structural integrity
- Anchoring MTs (correct)
Which of the following is NOT a main type of cytoskeletal element?
Which of the following is NOT a main type of cytoskeletal element?
Which of the following is responsible for the continuous assembly and disassembly of microfilaments?
Which of the following is responsible for the continuous assembly and disassembly of microfilaments?
Which type of myosin is associated with non-muscle cells and is involved in cell motility?
Which type of myosin is associated with non-muscle cells and is involved in cell motility?
Which type of cytoskeletal component has a diameter of 10 nm?
Which type of cytoskeletal component has a diameter of 10 nm?
What is the main function of the Arp 2/3 complex?
What is the main function of the Arp 2/3 complex?
Which end of F-actin grows at a faster rate?
Which end of F-actin grows at a faster rate?
What is the molecular basis of movement in cilia and flagella?
What is the molecular basis of movement in cilia and flagella?
Which protein is a key intermediate filament protein of the cytoskeleton in cardiac and skeletal muscle?
Which protein is a key intermediate filament protein of the cytoskeleton in cardiac and skeletal muscle?
Which type of cell tumors can be identified using specific antibodies for immunohistochemistry?
Which type of cell tumors can be identified using specific antibodies for immunohistochemistry?
What is the basic structural unit of microtubules?
What is the basic structural unit of microtubules?
Which type of microtubule-dependent ATPases carry cargo outward towards the plus end of microtubules?
Which type of microtubule-dependent ATPases carry cargo outward towards the plus end of microtubules?
Which motor protein is present in all cell types and interacts with F-actin to generate force or translocate molecules and organelles?
Which motor protein is present in all cell types and interacts with F-actin to generate force or translocate molecules and organelles?
Which class of myosin contains traditional or conventional myosins such as skeletal and heart muscle myosin, smooth muscle myosin, and non-muscle myosin?
Which class of myosin contains traditional or conventional myosins such as skeletal and heart muscle myosin, smooth muscle myosin, and non-muscle myosin?
Which domain of myosin heavy chains (MHC) contains the ATPase activity?
Which domain of myosin heavy chains (MHC) contains the ATPase activity?
What happens to myosin activity when the regulatory light chains (RLC) are phosphorylated?
What happens to myosin activity when the regulatory light chains (RLC) are phosphorylated?
Which of the following is true about the contractile ring during mitosis?
Which of the following is true about the contractile ring during mitosis?
What is the main function of intermediate filaments?
What is the main function of intermediate filaments?
Which of the following is true about Myosin I?
Which of the following is true about Myosin I?
What is the consequence of F-actin polymerization being faster than sliding of F-actin toward the minus ends?
What is the consequence of F-actin polymerization being faster than sliding of F-actin toward the minus ends?
