What is the subunit name of Microtubules?
Tubulin
Microtubules are composed of tubulin and have 13 strands.
How many strands do Microtubules have?
13 strands
Microtubules are structured as a pipe.
What is the appearance of Microtubules?
pipe
This structure is rigid and inelastic.
Are Microtubules flexible?
No
Microtubules are rigid and inelastic.
Are Microtubules dynamic?
Yes
Microtubules can change and adapt.
Where are Microtubules located within the cell?
- Centrosome
- Cilia & Flagella
- Spindle Apparatus
These locations are crucial for various cellular functions.
What is the primary function of Microtubules?
- Resist Compression
- Organelle movement
- Cell motility
Microtubules play key roles in maintaining cell structure and facilitating movement.
What are the motor proteins associated with Microtubules?
- Kinesin (plus direction)
- Dynein (minus direction)
These proteins are essential for transporting cellular components along microtubules.
What is the subunit name of Actin filaments?
Actin
Actin filaments are also known as microfilaments.
How many strands do Actin filaments have?
2 strands
Actin filaments resemble a rope.
What is the appearance of Actin filaments?
a rope
Actin filaments are flexible and dynamic.
Are Actin filaments flexible?
Yes
Actin filaments can bend and adapt.
Where are Actin filaments located within the cell?
- Muscle
- Microvilli
- Contractile bundle
- Lamellopodia
- Cell cortex
Actin filaments are crucial for various cellular structures and movements.
What is the primary function of Actin filaments?
- Resist tension
- Cell motility
Actin filaments are essential for maintaining cell shape and enabling movement.
What are the motor proteins associated with Actin filaments?
Myosin (plus end)
Myosin interacts with actin to facilitate muscle contraction and other movements.
What is the subunit name of Intermediate filaments?
Keratin and others
Intermediate filaments can include various proteins like keratin.
How many strands do Intermediate filaments have?
32 strands
Intermediate filaments are structured like a cable.
What is the appearance of Intermediate filaments?
a cable
This structure is flexible and elastic.
Are Intermediate filaments dynamic?
No
Intermediate filaments are not dynamic and do not change shape easily.
Where are Intermediate filaments located within the cell?
- Nuclear lamina
- Desmosomes
Intermediate filaments provide structural support to cells.
What is the primary function of Intermediate filaments?
- Resist tension forces
- Tie two or more cells together
Intermediate filaments are crucial for maintaining cell integrity and structure.
Are Intermediate filaments directional?
No
Intermediate filaments do not have a specific directionality.
