Cell: Definition and Types Quiz
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Questions and Answers

What type of cells reproduce by fissiparity?

  • Archaebacteria
  • Eukaryotic cells
  • Plants
  • Eubacteria (correct)

Which of the following statements is true about prokaryotic cells?

  • They have a nucleus delimited by a nuclear envelope.
  • They contain mitochondria.
  • They reproduce through mitosis and meiosis.
  • Their DNA is free in the cytoplasm. (correct)

What is the defining feature of eukaryotic cells?

  • Presence of a nucleus delimited by a nuclear envelope (correct)
  • Reproduction by fissiparity
  • Absence of ribosomes
  • Absence of internal membranes

Which of the following is not a characteristic of prokaryotic cells?

<p>Presence of mitochondria (B)</p> Signup and view all the answers

In prokaryotic cells, what does the absence of mitosis and meiosis mean for reproduction?

<p>They reproduce through binary fission (C)</p> Signup and view all the answers

Which type of cells have their DNA free in the cytoplasm?

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

What is a characteristic feature of plant cells that distinguishes them from animal cells?

<p>Large vacuole that occupies most of the cell volume (C)</p> Signup and view all the answers

Which component is common to both eukaryotic and prokaryotic cells?

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

What is the main role of the bacterial wall in prokaryotic cells?

<p>Determine the shape and ensure protection (D)</p> Signup and view all the answers

Which staining technique revealed the existence of two types of bacteria based on their wall composition?

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

What is the molecular model of the plasma membrane?

<p>Fluid structure with mobile proteins (B)</p> Signup and view all the answers

What differentiates eukaryotic cells from prokaryotic cells in terms of cell division?

<p>Cell division by mitosis and meiosis (C)</p> Signup and view all the answers

What is a common feature of both prokaryotic and eukaryotic cells' plasma membrane?

<p>Analogous molecular structure (D)</p> Signup and view all the answers

What is the main role of the periplasmic space in prokaryotic cells?

<p>Separates the plasma membrane from the bacterial wall (D)</p> Signup and view all the answers

What distinguishes Gram-positive bacteria from Gram-negative bacteria based on their wall composition?

<p>Thin layer of peptidoglycans in their wall (A)</p> Signup and view all the answers

What is a defining characteristic of plant cells compared to animal cells?

<p>Lack of a large central vacuole (A)</p> Signup and view all the answers

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