1. En la mayoría de las células, la estructura que controla sus actividades es
a. la membrana celular. c. el nucleolo.
b. el orgánulo.
d. el núcleo.
2. A pesar de las diferencia de formas y tamaños,
en algún momento todas las células tienen ADN y
un(a)
a. pared celular. c. mitocondria.
b. membrana celular. d. núcleo.
3. Lo que distingue a una célula eucariota de una proca-
riota es la presencia de
a. una pared celular. c. el ADN.
b. un núcleo
d. los ribosomas.

Getting rid of my account might as well do it with some fun make sure to read all of this it is hilarious a plane was about to crash and there were 5 people on board and only 4 parachutes. the first person said: " i am roy keane, one of the best footballers in ireland. i am worth a lot of money and my fans need me so i think i should be saved." the others agreed and gave him one of the parachutes and off he went. the second person said: "i am gerry adams, a radical irish politician who can really my country and i think i should be saved." the others said: "o.k.", and gave him a parachute. the third person said: "i am george bush, president of the most powerful country in the world. everyone knows i am a really nice guy and everyone thinks i am stupid,but i'm not, so i am taking a parachute." and off he went. there were two people left, the pope and a 10 year old schoolgirl. the pope said: "child, i am old and frail and have lived my life while you are young, with everything before you. you take the parachute and i will stay with the aircraft and take my chance." "it's o.k." said the girl, "there are still two bush picked up my schoolbag."

Complete the statements to identify the first two steps of meiosis i. (1 ) the first and longest step of meiosis i is called i. (2)the second step of meiosis i is called i.

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat