FILAMENT INTERMÉDIAIRE Structure: - filamenteux ATTENTION, les monomères sont variables selon les cellules. — Polymérisation: Les étapes. 1. Formation de dimère superenroulés 2. Association de deux dimères: tétramère 3. Tétramères à bout: protofilament 4. 8 protoF = Fi

Généralités: - Cytosquelette s’étend dans la cellule de la membrane plasmique jusqu'au niveau de la face interne du noyau. - Composé de trois structures protéiques: microfilaments d’actine, filaments intermédiaires et microtubules.

MICROFILAMENT D'ACTINE Structure: - globulaire (actine G) - sillon chargé négativement ==> lien avec ATP - plus petit diamètre (5-8nm)

MICROTUBULES Structure: - globulaire - tubuline alpha et beta. - association avec GTP - plus grand diamètre (25nm)

You know the best part of being a mom is getting that love. Honestly, you know, my son's love... a child's love is so pure, it just makes you feel so good no matter what.

Here's the thing: I had never been to Boston, my whole life. Probably because I'm a Yankee fan.

If this is not done, future ages will certainly look back upon us as a people so immersed in the pursuit of wealth as to be blind to higher considerations.

I think my thing is that... I don't know. And that's why I don't wanna sing about 'This is me, this is who I am' because, like, even the question, 'Tell me about yourself' - what are you supposed to say? 'Ooh, I'm a happy girl, but I'm sad, too'? People are so complex.

I fall in love every time. And I don't really fall in love a lot, but when I do, I fall hard.

My happiest times in the theater are when I do ensemble pieces. I really got into theater because of that closeness.

Christmas to a child is the first terrible proof that to travel hopefully is better than to arrive.

I think independent filmmakers, documentary filmmakers - they are journalists.

A better quality of video is better for everyone.

I am bundle of nerves riddled with irrational fears.

On the question of marriage, as in all other respects, Lutheranism is a compromise, a bridge between two logical views of the universe: the Catholic-Christian and the Individualistic Monist. And bridges are made to go over, not to stand upon.

When you're playing a character, as an actor or actress, you can't judge them for what they do. You really have to find what is in them that you have compassion for and fall in love with that character, regardless of what they do or how they behave.

I've gone to skin doctors and they'll say to you, 'We should remove this because it's pre-cancerous,' and I'll say, 'Explain pre-cancerous to me.' I'll listen for about twenty minutes and I'll say excuse me, 'Is pre-cancerous like pre-dead? So you're saying it could turn into cancer but it's not cancer?'

I need to go where I feel loved.

I was unwise enough to actually mention this in public a few times, and in fact to point out that there were two versions of the book now. One of them had somebody else's name on the cover, one had my name on the cover.

The happiest business in all the world is that of making friends, And no investment on the street pays larger dividends, For life is more than stocks and bonds, and love than rate percent, And he who gives in friendship's name shall reap what he has

You can't solve a dignity problem with military force.

Over the last five years, the Administration and the majority in Congress have appropriated less than $900 million for port security grants - despite the Coast Guard's determination that $5.4 billion is needed over 10 years.

If you talk about an issue, what comes back is a description of what you're wearing. Reporters only want to know how tall you are and if your teeth are capped.

Customer service is the experience we deliver to our customer. Its the promise we keep to the customer. Its how we follow through for the customer. Its how we make them feel when they do business with us.

History has repeatedly shown that when a new method or material becomes available, new uses for it arise.

When I was 18, I joined the Screen Actors Guild, and after college I came to New York.

Most people do not really want freedom, because freedom involves responsibility, and most people are frightened of responsibility.

I think there are a lot of really positive aspects to social media for novelists. Even though our work is pretty solitary, through Twitter and Tumblr and Facebook and Instagram and blogging in general, we're better able to connect directly with readers.