Cell Nucleus Function
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Questions and Answers

What is the primary function of the nucleus in a cell?

  • To enclose and protect the cell's genetic material (DNA) (correct)
  • To produce energy for the cell
  • To break down waste products in the cell
  • To synthesize proteins for the cell

Which type of cells do not have a nucleus?

  • Eukaryotic cells
  • Prokaryotic cells (correct)
  • Animal cells
  • Plant cells

Where is the nucleus located within a eukaryotic cell?

  • In the center of the cell, surrounded by other organelles (correct)
  • Near the cell membrane
  • Randomly distributed throughout the cell
  • At the periphery of the cell

What organelle is found on the surface of the nucleus?

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

What does the term 'nucleus' refer to in chemistry?

<p>The center of an atom, composed of protons and neutrons (D)</p> Signup and view all the answers

What are the four nitrogenous bases present in DNA?

<p>Adenine, Guanine, Cytosine, Thymine (B)</p> Signup and view all the answers

Which base pairs consistently with adenine in DNA?

<p>Thymine (D)</p> Signup and view all the answers

What replaces thymine in RNA during base pairing?

<p>Uracil (D)</p> Signup and view all the answers

Which molecule carries amino acids and bonds with mRNA during translation?

<p>Transfer RNA (tRNA) (C)</p> Signup and view all the answers

What is the process by which genes in DNA direct life processes known as?

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

What is the primary function of the nucleolus?

<p>To produce ribosomes (A)</p> Signup and view all the answers

What is the role of the nuclear envelope?

<p>To facilitate the movement of substances in and out of the nucleus (C)</p> Signup and view all the answers

What is the relationship between DNA and chromatin?

<p>Chromatin is the structure formed by DNA and proteins (A)</p> Signup and view all the answers

What is the purpose of gene expression in different cell types?

<p>To control the differentiation and specialization of cells (B)</p> Signup and view all the answers

What is the process by which the nucleus initiates cell division?

<p>It condenses its chromatin into chromosomes and replicates them (B)</p> Signup and view all the answers

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