Cytoskeleton 1

What type of filaments are made up of smaller subunits that form helical assemblies through self-association?

Which protein accelerates depolymerization of actin filaments?

What is the primary function of actin in cells?

Which crosslinking protein forms linear bundles of actin filaments?

What does ATP binding do to actin monomers in filaments?

Which protein regulates actin dynamics by inhibiting nucleation?

What is the main function of the sarcoplasmic reticulum in muscle cells?

What does the binding of Ca²⁺ to TnC in the tropomyosin-troponin complex allow?

Which proteins are associated with actin filaments in striated muscles?

What triggers an action potential in muscle cells?

What is the role of myosin heads in muscle contraction according to the Sliding Filament Model?

What blocks the binding of myosin to actin filaments in muscle cells?

What is the main function of the cytoskeleton in a cell?

Which type of filaments determines the positions of membrane-enclosed organelles in a cell?

What is the diameter of microtubules in the cytoskeleton?

Which type of filaments provides mechanical strength to a cell?

What is the function of actin filaments in a cell?

How are actin filaments and microtubules structured?

What is the main function of the cytoskeleton in a cell?

Which structure is described as a cellular membrane protrusion that increases surface area?

Why do cells need proper organization in space according to the text?

What is the function of Adherens Junctions in a cell?

Which statement best describes the role of the cytoskeleton filaments in forming polarized structures?

What is the significance of Apical and Basolateral Membranes in a cell?

Which part of the cell is responsible for pushing out protrusions at its front or leading edge?

During cytokinesis in eukaryotic cell division, what structure divides the cell in two?

Which motor protein is responsible for muscle contraction in most animal cells?

Which cells are known for their ability to crawl by pushing out protrusions and dragging themselves forward by traction?

Which type of cells actively divide using a contractile ring consisting of actin and myosin after mitosis?

What type of motion do actin-dependent motor proteins generate inside cells?

What causes the cell to move forward by traction?

Which motor protein family do all actin-dependent motor proteins belong to?

What is the main function of a contractile ring during cytokinesis in eukaryotic cell division?

Which cells are examples of those that can push out protrusions and move forward by traction?

What type of motion do actin-dependent motor proteins generate inside cells?

Which statement best describes the role of the contractile ring during cytokinesis?

Which type of filaments are necessary for cell locomotion?

What function do microtubules serve in a cell?

What is the diameter of intermediate filaments in the cytoskeleton?

What is the role of actin filaments in shaping a cell?

Which component of the cytoskeleton is responsible for directing intracellular transport?

What aspect of a cell does actin filaments specifically determine?

What triggers muscle contraction by moving the tropomyosin-troponin complex and freeing the myosin-binding site on actin filaments?

Which protein attaches to actin filaments and uses ATP hydrolysis to generate motor force in muscle cells?

In muscle cells, what causes the thin actin filament to slide over the thick myosin filament during contraction?

Which event leads to the simultaneous shortening of all sarcomeres in muscle cells?

What is the role of tropomyosin in muscle cells regarding the binding of myosin to actin filaments?

During muscle contraction, what primary function is performed by the sarcoplasmic reticulum in terms of calcium ions?

What kind of filaments are made up of smaller subunits that form helical assemblies through self-association?

Which protein inhibits nucleation in actin polymerization dynamics?

What is the main function of actin in cells related to microvilli support?

Which type of proteins form linear bundles of actin filaments?

What process allows actin filaments to polymerize or depolymerize, enabling cell migration and interactions with the environment?

Which accessory protein accelerates the depolymerization of actin filaments?

What is the main consequence of no aerobic respiration in muscle cells?

How does alpha-amanitin affect actin filaments?

What role do chemical compounds such as phalloidin play in studying actin filaments?

What is the toxic effect of phalloidin on cells?

What is the primary function of the cytoskeleton in a cell?

Which type of filaments determine the positions of membrane-enclosed organelles and direct intracellular transport?

What is the role of actin filaments in a cell's functions?

Which cytoskeletal component is crucial for cell locomotion?

What is the diameter range of intermediate filaments in the cytoskeleton?

Which type of filaments are necessary for stabilizing a cell's environment by associating it with surrounding tissues?

What is the main function of microtubules within a cell?

How do actin filaments contribute to cell locomotion?

What is responsible for dividing the eukaryotic cell into two daughter cells during cytokinesis?

Which motor proteins are associated with causing motion inside cells in association with parts of the cytoskeleton?

Which protein family do all actin-dependent motor proteins belong to?

What is the primary function of the contractile ring during cytokinesis in eukaryotic cell division?

What causes motion inside cells by generating force in muscle cells?

Which proteins form contractile structures by associating with actin to facilitate muscle contraction?

What type of cells are capable of pushing out protrusions and moving forward by traction?

Which part of the cell pushes out its protrusion at its front or leading edge?

What is the main function of the cytoskeleton in a cell?

Which structure is described as a cellular membrane protrusion that increases surface area?

What is the significance of Apical and Basolateral Membranes in a cell?

Which protein uses ATP hydrolysis to generate motor force in muscle cells?

What do Adherens Junctions represent within a cell?

Which event leads to the simultaneous shortening of all sarcomeres in muscle cells?

What is the primary function of actin in cells related to microvilli support?

What does the binding of Ca²⁺ to TnC in the tropomyosin-troponin complex allow?

What is the primary function of the sarcoplasmic reticulum during muscle contraction?

In muscle cells, what causes the simultaneous shortening of all sarcomeres?

What triggers an action potential in muscle cells to initiate muscle contraction?

What happens during rigor mortis in muscles?

What is the role of tropomyosin in striated muscle in the absence of Ca²⁺ ions?

What causes the release of myosin heads from actin filaments during muscle contraction?

What is the function of the troponin complex in muscle cells during contraction?

How does the binding of Ca²⁺ ions to troponin C affect muscle contraction?

Which protein accelerates depolymerization of actin filaments?

What is the primary function of ATP-bound actin in actin filaments?

Which accessory protein inhibits nucleation during actin dynamics?

What role do bundle-forming crosslinkers play in actin filaments regarding cell shape?

What is the main function of gel-forming crosslinkers in actin filaments?

How do actin filaments in muscle cells differ from microtubules?