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BIO173 The Nucleus in Eukaryotic Cells

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Questions and Answers

What is the main function of the nucleus in eukaryotic cells?

Store excess water to maintain cell shape

Directly synthesize all proteins in the cell

Isolate DNA from dangerous metabolic reactions in the cytoplasm (correct)

Help with energy production in the cell

How does the nuclear envelope contribute to DNA organization?

Provides attachment sites to help organize DNA (correct)

Stores excess energy for the cell

Facilitates protein synthesis within the nucleus

Creates a physical barrier between the nucleus and the cytoplasm

What is the function of the nuclear pores in the nuclear envelope?

Store excess nutrients for the nucleus

Prevent any substance from entering or leaving the nucleus

Facilitate selective transport of large molecules (correct)

Separate DNA from RNA molecules

Why is the nuclear envelope continuous with the endoplasmic reticulum?

To facilitate communication between the nucleus and cytoplasm Signup and view all the answers

Which of the following is NOT a function of the nucleus in eukaryotic cells?

Synthesizes carbohydrates for cellular energy Signup and view all the answers

What role does mRNA play in relation to the nucleus?

Carries messages from the nucleus to the cytoplasm for protein synthesis Signup and view all the answers

What is the main function of the Nucleolus?

Synthesizing ribosomal subunits Signup and view all the answers

Which of the following is NOT found in the Nucleoplasm?

Lipids Signup and view all the answers

Where are the Ribosomal subunits synthesized?

Nucleus Signup and view all the answers

What process takes place in the Ribosomes?

Protein Synthesis Signup and view all the answers

Which evolutionary theory describes the large DNA virus infecting an Archaea cell?

Viral Eukaryogenesis Signup and view all the answers

What is the role of the Exomembrane according to the text?

Forming a second exterior membrane (Plasma Membrane) Signup and view all the answers