Podcast
Questions and Answers
Which type of cytoskeletal filaments is mainly responsible for transporting and positioning membrane organelles?
Which type of cytoskeletal filaments is mainly responsible for transporting and positioning membrane organelles?
- Intermediate filaments
- Microtubules (correct)
- Microfilaments
- G-actin
What is the main function of intermediate filaments?
What is the main function of intermediate filaments?
- To withstand the mechanical stress when a cell is stretched (correct)
- To support plasma membrane
- To interact with actin binding proteins
- To form cilia and flagella
Which type of cytoskeletal filaments forms rope-like structures and extends across the cell cytoplasm?
Which type of cytoskeletal filaments forms rope-like structures and extends across the cell cytoplasm?
- Microfilaments
- Intermediate filaments (correct)
- G-actin
- Microtubules
What are microtubules built from?
What are microtubules built from?
Which type of cytoskeletal filaments interact with a large number of actin binding proteins and can form stiff structures like microvilli?
Which type of cytoskeletal filaments interact with a large number of actin binding proteins and can form stiff structures like microvilli?
Where are microfilaments localized within the cell?
Where are microfilaments localized within the cell?
Which type of cytoskeletal filament is composed of alpha and beta-tubulin?
Which type of cytoskeletal filament is composed of alpha and beta-tubulin?
What is the main function of microtubules?
What is the main function of microtubules?
What are the toughest and most durable cytoskeletal filaments?
What are the toughest and most durable cytoskeletal filaments?
What type of protein subunits does cytoskeletal proteins form polymers/fibres from?
What type of protein subunits does cytoskeletal proteins form polymers/fibres from?
What do microtubules grow out from near the center of the cell?
What do microtubules grow out from near the center of the cell?
Intermediate filaments are mainly responsible for transporting and positioning membrane organelles
Intermediate filaments are mainly responsible for transporting and positioning membrane organelles
Microtubules are composed of alpha and beta-tubulin
Microtubules are composed of alpha and beta-tubulin
Actin filaments are longer and more flexible than microtubules
Actin filaments are longer and more flexible than microtubules
Microtubules can form cilia and flagella
Microtubules can form cilia and flagella
The main function of intermediate filaments is to withstand mechanical stress when a cell is stretched
The main function of intermediate filaments is to withstand mechanical stress when a cell is stretched
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