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Cytoskeleton Tubulin 1 Quiz

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Questions and Answers

What are microtubules made of?

Alpha and delta tubulin heterodimers

Alpha and gamma tubulin heterodimers

Alpha and beta tubulin heterodimers (correct)

Alpha and epsilon tubulin heterodimers

Which direction do classic kinesins move along microtubules?

They do not move along microtubules

Towards the plus ends (correct)

Towards the minus ends

They move bidirectionally

What is the structure of kinesin?

Monomer protein with a single chain

Pentamer protein with three heavy chains and two light chains

Dimer protein with one heavy chain and one light chain

Tetramer protein with two heavy chains and two light chains (correct)

What is the function of kinesin-13 proteins?

Induce depolymerization uniquely from both ends of the microtubule Signup and view all the answers

Which motor protein moves towards the minus ends of microtubules?

Cytoplasmic Dynein Signup and view all the answers

What is the role of the tail of kinesin-14 (Ncd)?

Bind microtubules and organize microtubule bundles Signup and view all the answers

Which motor protein is approximately 4 times bigger and more complex than kinesin?

Cytoplasmic Dynein Signup and view all the answers

Which motor protein has irregular steps during movement?

Cytoplasmic Dynein Signup and view all the answers

Which motor protein is involved in the transport of organelles and axonal transport?

Cytoplasmic Dynein Signup and view all the answers

What is the speed of synaptic vesicle movement?

5 μm/second Signup and view all the answers

What is the core of the cilium and flagellum composed of?

Microtubules and associated proteins Signup and view all the answers

Which motor protein bends the axoneme to move the cilium and flagellum?

Axonemal Dynein Signup and view all the answers

Cytoskeleton Tubulin 1 Quiz

Choose a study mode

Podcast

Questions and Answers

What are microtubules made of?

Which direction do classic kinesins move along microtubules?

What is the structure of kinesin?

What is the function of kinesin-13 proteins?

Which motor protein moves towards the minus ends of microtubules?

What is the role of the tail of kinesin-14 (Ncd)?

Which motor protein is approximately 4 times bigger and more complex than kinesin?

Which motor protein has irregular steps during movement?

Which motor protein is involved in the transport of organelles and axonal transport?

What is the speed of synaptic vesicle movement?

What is the core of the cilium and flagellum composed of?

Which motor protein bends the axoneme to move the cilium and flagellum?

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