Cell Structure and Function Quiz

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Questions and Answers

What is the function of the plasma membrane in a cell?

  • Defining cell boundary (correct)
  • Producing energy
  • Storing genetic material
  • Synthesizing proteins

Which organelle is responsible for the synthesis of fatty acids and phospholipids?

  • Nucleus
  • Endoplasmic Reticulum (correct)
  • Mitochondria
  • Ribosome

What is the biochemical identity at the surface of animal cells known as?

  • Cytoskeleton
  • Chromosomes
  • Cytosol
  • Cell Coat (correct)

What is the function of the centromere on a chromosome?

<p>Attachment point for microtubules (D)</p> Signup and view all the answers

Which structure in a cell serves as the site for the oxidative phases of cellular respiration?

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

In diploid organisms, how are chromosomes organized?

<p>In homologous pairs with identical gene sites (B)</p> Signup and view all the answers

During which phase does DNA replication or synthesis occur?

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

What is the process by which a cell replicates its chromosomes and prepares for cell division?

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

What is the stage where cells that do not undergo further division enter an inactive stage known as?

<p>Quiescent Stage (G0) (C)</p> Signup and view all the answers

What is the phase characterized by the absence of visible chromosomes and presence of chromatin fibers in the nucleus?

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

What happens during cytokinesis in the cell cycle?

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

What is the phase where the centrioles migrate, and the nuclear envelope begins to break down?

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

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