Podcast
Questions and Answers
Which of the following is a function of the cytoskeleton?
Which of the following is a function of the cytoskeleton?
- DNA replication
- Protein synthesis
- Cellular respiration
- Cell shape maintenance (correct)
What are the three types of protein filaments that make up the cytoskeleton?
What are the three types of protein filaments that make up the cytoskeleton?
- Golgi apparatus, mitochondria, endoplasmic reticulum
- Lysosomes, peroxisomes, vacuoles
- Intermediate, microtubules, actin (correct)
- Lipids, carbohydrates, nucleic acids
What is the main role of actin filaments in the cell?
What is the main role of actin filaments in the cell?
- Cell shape and movement (correct)
- DNA replication
- Cellular respiration
- Protein synthesis
What is the process of actin filaments forming long chains called?
What is the process of actin filaments forming long chains called?
Which component of the cytoskeleton determines cellular organization and polarity?
Which component of the cytoskeleton determines cellular organization and polarity?
What are the main functions of the cytoskeleton?
What are the main functions of the cytoskeleton?
Which protein is responsible for causing motion inside cells in association with parts of the cytoskeleton?
Which protein is responsible for causing motion inside cells in association with parts of the cytoskeleton?
What is the function of actin-associated motor proteins?
What is the function of actin-associated motor proteins?
Which type of myosin is involved in muscle contraction in most animal cells?
Which type of myosin is involved in muscle contraction in most animal cells?
What is the role of actin filaments and myosin (II) during cytokinesis?
What is the role of actin filaments and myosin (II) during cytokinesis?
Which motor protein has a tail that can bind to transporting vesicles?
Which motor protein has a tail that can bind to transporting vesicles?
What is the main function of ATP in actin-dependent motor proteins?
What is the main function of ATP in actin-dependent motor proteins?
Which type of actin crosslinker forms more rigid bundles?
Which type of actin crosslinker forms more rigid bundles?
What happens when ATP is hydrolyzed to ADP in actin filaments?
What happens when ATP is hydrolyzed to ADP in actin filaments?
Which protein inhibits nucleation in actin polymerization?
Which protein inhibits nucleation in actin polymerization?
What type of actin crosslinker forms 3D gel-like networks?
What type of actin crosslinker forms 3D gel-like networks?
Which end of actin filaments is usually shorter than microtubules?
Which end of actin filaments is usually shorter than microtubules?
Which process is NOT known to be essential for cell movement involving actin?
Which process is NOT known to be essential for cell movement involving actin?
Which of the following is NOT a function of the cytoskeleton?
Which of the following is NOT a function of the cytoskeleton?
What is the function of actin filaments in a cell?
What is the function of actin filaments in a cell?
Which type of cytoskeletal filament is made up of elongated and fibrous subunits?
Which type of cytoskeletal filament is made up of elongated and fibrous subunits?
What is the main function of microtubules in a cell?
What is the main function of microtubules in a cell?
Which type of cytoskeletal filament is involved in maintaining mechanical integrity?
Which type of cytoskeletal filament is involved in maintaining mechanical integrity?
What is the function of adherens junctions in a cell?
What is the function of adherens junctions in a cell?
Which proteins interact with actin filaments to help move vesicles and organelles in the cell periphery?
Which proteins interact with actin filaments to help move vesicles and organelles in the cell periphery?
What is the main function of the sarcomere in muscle cells?
What is the main function of the sarcomere in muscle cells?
What molecular events are involved in muscle contraction?
What molecular events are involved in muscle contraction?
What is the role of tropomyosin and troponins in striated muscle?
What is the role of tropomyosin and troponins in striated muscle?
What triggers the release of calcium ions in muscle contraction?
What triggers the release of calcium ions in muscle contraction?
Which drug can be used to stain actin filaments and block their depolymerization?
Which drug can be used to stain actin filaments and block their depolymerization?
