I ribosomi sono sono siti presso cui vengono assemblati gli amminoacidi per la sintesi delle proteine.

I batteri sono cellule procariote; queste cellule sono prive di membrana cellulare e possono vivere anche negli ambienti più estremi.

La parte fluida del citoplasma, il citosol, è una soluzione di ioni, piccole molecole e grosse proteine; nelle cellule eucariote metà del citoplasma è costituito da piccole strutture chiamate organuli.

Tutte le cellule sono rivestite da una membrana cellulare, formata da un doppio strato fosfolipidico; le cellule vegetali hanno anche una parete rigida costituita da cellulosa.

Le cellule Eucariote: hanno dimensioni limitate per favorire il rapporto superficie/volume e rendere le cellule metabolicamente attive.

Il nucleo, avvolto da una doppia membrana dotata di pori per poter comunicare col citoplasma, contiene il DNA sotto forma di cromatina e un nucleolo che assembla i ribosomi.

Il citoscheletro mantiene la forma della cellula, fissa gli organuli, dirige il traffico interno e le consente di muoversi; è formato da filamenti di actina, microtubuli e filamenti intermedi.

Ciglia e flagelli sono formati da filamenti proteici; servono per il movimento.

Il vacuolo è una cavità citoplasmatica contenente acqua e soluti, delimitata da una membrana; le vescicole con funzione di trasporto, sono piccole e hanno una struttura uguale al vacuolo

Il reticolo endoplasmatico è costituito da un sistema di membrane; il reticolo rugoso ricoperto di ribosomi da ribosomi sintetizza le proteine e il reticolo liscio sintetizza soppratutto lipidi.

I lisosomi sono vescicole che racchiudono gli enzimi coinvolti nelle reazioni di idrolisi, i proteasomi sono specializzati nel demolire proteine per riciclare amminoacidi, i perossisomi contengono diversi enzimi ossidativi.

I cloroplasti svolgono la fotosintesi clorofialiana ; nei mitocondri, invece, avviene la respirazione cellullare.

L'apparato di golgi è un centro di elaborazione di molecole complesse che vengono poi avvolte in vescicole e trattenute nella cellula stessa o esportate.

Visionary builds what dreamers imagined.

My way of getting the best from people on a set is to notice their work, to make every prop master, every seamstress, part of 'The Newsroom' or 'The West Wing' or 'Steve Jobs.'

I've learned things about the craft of writing and about structuring a book and about character development and so on that I've just learned on the fly.

I'm a lucky gal.

In writing and politicking, it's best not to think about it, just do it.

I'm more obsessed with the idea of vacation than any one particular vacation spot. I love to explore new places and cultures.

Happiness lies in the joy of achievement and the thrill of creative effort.

You don't just leave Los Angeles. Such a departure requires magical intervention. You can't simply purchase a ticket to another destination. You must disappear.

A graphic designer, you know, who understands ideas and understands that ideas are what makes the world go round, could change the world with a magazine. If one talent could do it right now, and everybody would stop saying it's the death of magazines.

When the water is calm take as much distance as possible with your boat

I don't want to be remembered as the son of Bruce Lee.

My sisters are my best friends and my most staunch supporters. They're always there to help me through every audition, through interviews, and through everything. Hopefully, I find some guy that I love as much as them some day. They are the best things in my life, and I would be completely lost without them.

I grew up dancing my whole life, and I always kind of perceived that's what I would do professionally. But when I caught the acting bug, I knew I needed to go with no turning back.

Oh wow, you know what's wrong with all these families on TV? All these kids say stuff no kid would say. Stuff grown-ups want them to say. Man, I'd make a really realistic family. Where kids get spankings. On TV parents say, 'Oh, you shouldn't do that ever again. Now you can have ice cream.' Forget it.

Baathism in Iraq equals Nazism in Germany.

A strong women is someone who is able to smile this morning like she wasnt crying last night.

Yeah, in my scripts, I don't tend to describe landscape too clearly because I like to keep it really basic and sort of let people paint their own picture. I don't find it helpful to spend a page describing a setting, except for maybe a few key things.

What interested me was the story of Bennet Omalu. You hear his narrative: Immigrant from Nigeria, landing in Pittsburgh, only to learn and tell the truth about this most American - and sacrosanct - cultural institution: the NFL.

The planet is a vast and beautiful place, full of exciting and wonderful people.

All we have to decide is what to do with the time that is given us.

If God had wanted us to vote, he would have given us candidates.

I'm very impatient. I am. That's the bane of my game. I don't think about what I'm going to do - I just go hit it, I don't stop to wait and think. Costs me two shots a round.

If someone has a gun and is trying to kill you it would be reasonable to shoot back with your own gun.

I'm not an artist that makes singles, I'm an artist that makes albums, and it's a totally different thing.