Advanced Cell Biology

Which colour represents the actin filaments in this image?

• The red

• The green

• The blue

• Actin isn't fluorescently labelled here

What is the function of actin?

• Determine the cell shape and cell locomotion

• Positioning of organelles and intracellular transport

• Provide mechanical strength

• All of the above

What is the process called by which actin filaments create movement, but stay at a constant length?

• Treadmilling

• Polymerisation

• Nucleation

• Locomotion

Which colour represents the microtubules in this image?

• The red

• The green

• The blue

• Microtubules aren't fluorescently labelled here

What is the function of microtubules?

• Determine the cell shape and cell locomotion

• Positioning of organelles and intracellular transport

• Provide mechanical strength

• All of the above

Microtubules are made up of...

• Tubulin

• GTP

• Protofilaments

• All of the above

Which of the following shows 'shrinking' of microtubules

• 
• 
• 

Which colour represents the intermediate filaments in this image?

• The red

• The green

• The blue

• Intermediate filaments aren't fluorescently labelled here

What is the function of the intermediate filaments?

• Determine the cell shape and cell locomotion

• Positioning of organelles and intracellular transport

• Provide mechanical strength

• All of the above

The nuclear lamina is an example of...

• An actin network

• A central domain of microtubules

• A meshwork of intermediate filaments