Podcast
Questions and Answers
Which of the following is NOT a major role of microtubules in cells?
Which of the following is NOT a major role of microtubules in cells?
- Regulating gene expression (correct)
- Participating in cell division (mitosis)
- Facilitating intracellular transport
- Maintaining cell shape and polarity
Which of the following is NOT a role of actin microfilaments in cells?
Which of the following is NOT a role of actin microfilaments in cells?
- Cell movements and locomotion
- Cytoplasmic streaming
- Contractility and cytokinesis
- Facilitating protein transport (correct)
The dynamic instability of microtubules, where they rapidly grow and shrink, is explained by which concept?
The dynamic instability of microtubules, where they rapidly grow and shrink, is explained by which concept?
- Crosslinking
- Treadmilling (correct)
- Severing
- Capping
Which of the following is a structural feature of microfilaments found in lamellipodia?
Which of the following is a structural feature of microfilaments found in lamellipodia?
Which of the following proteins is involved in promoting the growth of microtubules?
Which of the following proteins is involved in promoting the growth of microtubules?
Which of the following statements about membrane organization is correct?
Which of the following statements about membrane organization is correct?
Which of the following statements about membrane fluidity is correct?
Which of the following statements about membrane fluidity is correct?
Which of the following is NOT a primary function of membrane proteins?
Which of the following is NOT a primary function of membrane proteins?
Which of the following statements about the membrane bilayer is correct?
Which of the following statements about the membrane bilayer is correct?
Which of the following is NOT a component of the fluid mosaic model of the cell membrane?
Which of the following is NOT a component of the fluid mosaic model of the cell membrane?
Which of the following processes involves the SNARE proteins in the membrane?
Which of the following processes involves the SNARE proteins in the membrane?
Which of the following is a primary function of microtubules within cells?
Which of the following is a primary function of microtubules within cells?
Which of the following statements about microfilaments is correct?
Which of the following statements about microfilaments is correct?
What is the primary function of intermediate filaments within cells?
What is the primary function of intermediate filaments within cells?
Which of the following statements about linker proteins is correct?
Which of the following statements about linker proteins is correct?
Which of the following statements accurately describes the relationship between the different cytoskeletal components?
Which of the following statements accurately describes the relationship between the different cytoskeletal components?
Which of the following statements about the composition of cytoskeletal components is correct?
Which of the following statements about the composition of cytoskeletal components is correct?
What is the primary function of microtubule-associated proteins (MAPs) such as Tau?
What is the primary function of microtubule-associated proteins (MAPs) such as Tau?
Which of the following statements about actin filaments is correct?
Which of the following statements about actin filaments is correct?
What is the role of the Arp2/3 complex in actin dynamics?
What is the role of the Arp2/3 complex in actin dynamics?
Which of the following Rho GTPases is associated with the formation of filopodia?
Which of the following Rho GTPases is associated with the formation of filopodia?
What is the primary function of intermediate filaments (IFs) in animal cells?
What is the primary function of intermediate filaments (IFs) in animal cells?
What is the primary role of stathmin/Op18 in regulating microtubule dynamics?
What is the primary role of stathmin/Op18 in regulating microtubule dynamics?
Which of the following actin-binding proteins is responsible for crosslinking adjacent microfilaments that cross?
Which of the following actin-binding proteins is responsible for crosslinking adjacent microfilaments that cross?
What is the primary function of katanin in regulating microtubule dynamics?
What is the primary function of katanin in regulating microtubule dynamics?
Which of the following statements about microtubule dynamics is correct?
Which of the following statements about microtubule dynamics is correct?
What is the primary function of thymosin β4 in regulating actin dynamics?
What is the primary function of thymosin β4 in regulating actin dynamics?