100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
Sumario Célula eucariota: núcleo celular - Biología II 2ºBACH $6.08   Add to cart
Quickly navigate to
Preview
  2.  
  3. Bachillerato
  4.  
  5. Bachillerato
  6.  
  7. Biology and Geology

Summary

Sumario Célula eucariota: núcleo celular - Biología II 2ºBACH
 10 views  0 purchase
  • Course
  • Biology and Geology
  • Institution
  • Bachillerato

En el documento se desarrolla los componentes del núcleo interfásico (envoltura nuclear, nucléolo, nucleoplasma), la cromatina (su estructura y los tipos), el núcleo mitótico, la estructura y composición de los cromosomas así como la definición de cariotipo.

Preview 1 out of 4  pages

Document information

  • July 10, 2021
  • 4
  • 2020/2021
  • Summary

Subjects

  • cromosoma
  • nucleo
  • nucleo interfasico
  • nucleolo
  • nucleoplasma
  • envoltura nuclear
  • cromatina
  • histonas
  • nucleo mitotico
  • cariotipo
  • telomero
  • cromatida
  • centromero
  • cinetocoro

Written for

  • Secondary school
  • Bachillerato
  • Biology and Geology
  • 6
All documents for this subject (594)

Seller

avatar-seller
carlossantanamartin

Content preview

Célula eucariota. El núcleo celular Carlos Santana



1. Núcleo interfásico.
En el núcleo interfásico se distinguen los siguientes componentes, claramente observables
al microscopio electrónico de transmisión: envoltura nuclear, cromatina, nucleolo y
nucleoplasma.




1.1. Envoltura nuclear.
La envoltura nuclear está constituida por una doble membrana: la membrana nuclear
externa y la membrana nuclear interna. La membrana externa está relacionada con la
membrana del retículo endoplásmico rugoso.
Entre las membranas se localizan los poros nucleares, a través de los cuales se produce
el intercambio de grandes moléculas, como el ARN y las proteínas.
1.2. Nucleolo.
Su función principal es la síntesis y ensamblaje de las subunidades ribosómicas.
Está constituido por proteínas y ácidos nucleidos e interviene activamente en la
transcripción de ARNr, donde estos maduran y son ensamblados originando las
subunidades que componen a un ribosoma.
1.3. Nucleoplasma.
El nucleoplasma es el medio interno acuoso donde se encuentran inmersos los demás
componentes nucleares. Es común la presencia de elementos citoesqueléticos.
En el nucleoplasma se produce la síntesis de los ácidos ribonucleicos y la replicación del
ADN nuclear.


2. Cromatina.
La cromatina está compuesta por ADN asociado principalmente a un tipo de proteína
básica: las histonas.




IES CARRIZAL Página 1 de 4

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller carlossantanamartin. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $6.08. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

85169 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$6.08
  • (0)
  Add to cart