Nuclear Pores and Chromatins in Non-Dividing Nuclei
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Questions and Answers

What forms the diaphragm of proteins in nuclear pores?

  • Electron dense membrane (correct)
  • Condensed proteins
  • Nuclear chromatins
  • Chromosomes

What are present in non-dividing nuclei in different degrees of uncoiling?

  • Chromosomes (correct)
  • Electron dense membranes
  • Proteins
  • Nuclear pores

What types of chromatins are present based on the degree of chromosomes condensation?

  • Three
  • Two (correct)
  • One
  • Four

Which component bridges nuclear pores and forms the diaphragm of proteins?

<p>Electron dense membrane (C)</p> Signup and view all the answers

In what condition do chromatin exist as chromosomes?

<p>In non-dividing nuclei (C)</p> Signup and view all the answers

What are the characteristics of cell organelles mentioned in the text?

<p>They are metabolically active and perform specific functions (B)</p> Signup and view all the answers

What gives the appearance of the inner nuclear membrane as fibrous?

<p>Presence of heterochromatins (D)</p> Signup and view all the answers

Where do they specifically regulate trafficking?

<p>Between Golgi and lysosomes (B)</p> Signup and view all the answers

What do they regulate among subcellular compartments?

<p>Trafficking of proteins and lipids (D)</p> Signup and view all the answers

When were the cell organelles classified according to the text?

<p>02/08/1445 (A)</p> Signup and view all the answers

Which term best describes the function of cell organelles?

<p>Essential for the life of cells (C)</p> Signup and view all the answers

What is the main component of Pars fibrosa?

<p>Electron dense filaments (D)</p> Signup and view all the answers

Which space lies between the inner and outer nuclear membranes?

<p>Nuclear cistern (A)</p> Signup and view all the answers

What is the main takeaway about the location of cell organelles?

<p>They are permanently inside the cytoplasm (C)</p> Signup and view all the answers

What is the main characteristic of the inter-membrane space in the nucleus?

<p>Referred to as nuclear sap (C)</p> Signup and view all the answers

Why are cell organelles said to be metabolically active?

<p>To perform specific functions (C)</p> Signup and view all the answers

Which of the following contributes to the non-smooth appearance of the inner nuclear membrane?

<p>Euchromatins (C)</p> Signup and view all the answers

The presence of which structure contributes to the roughness of the inner nuclear membrane?

<p>Ribosomes (A)</p> Signup and view all the answers

What type of pathway are they involved in regulating?

<p>Secretory and endocytic pathway (B)</p> Signup and view all the answers

Which of the following is NOT a component of Pars fibrosa?

<p>mRNA (C)</p> Signup and view all the answers

What is the primary characteristic of Pars fibrosa?

<p>Contains electron dense filaments (C)</p> Signup and view all the answers

Which type of filaments primarily make up Pars fibrosa?

<p>Electron dense filaments (D)</p> Signup and view all the answers

What does Pars fibrosa primarily consist of?

<p>rRNA (B)</p> Signup and view all the answers

Which of the following is NOT mentioned as part of the regulated compartments?

<p>Nucleus (A)</p> Signup and view all the answers

Which cellular process do they NOT have a role in regulating?

<p>DNA replication (C)</p> Signup and view all the answers

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