Filaments Flashcards
What are the two forms of actin?
G-actin and F-actin
What is G-actin?
it is the fastest growing end and is the globular monomer form bound to ATP
What is F-actin?
it is the negative end of the filament, and can be considered the polymer
Is actin permanent?
it can be
Some forms of microtubules are:
flagella, cilia, rods and cones
How do microtubules form?
they form from heterodimer beta-tubulin and alpha-tubulin
What a MAPs?
Microtubule Associated Proteins
What is the MTOC?
the Microtubule Organizing Center makes the microtubules and radiates them from the center
Molecular motors move in ____
one direction
What is the difference between cilia and flagella?
nothing, they are the same thing
How do cilia begin?
with a centriole-like basal body
Explain the centrioles that the MTOC are associated with
they are associated with 2 centrioles made up of 9 groups of 3
What is another name for centriole?
basal body
A is always a ______
full circle
What are the groups for the flagella and cilia?
9 groups of 2
