Cell Functions and Structures Quiz
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Questions and Answers

Where is the genetic information located in a prokaryotic cell?

  • Nucleoid region (correct)
  • Nucleus
  • Mitochondria
  • Endoplasmic reticulum

What is the main difference between prokaryotic and eukaryotic cells?

  • Method of reproduction
  • Number of organelles
  • Size of cells
  • Presence of membrane-bound nucleus (correct)

Which type of cell is typically unicellular?

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

What is the evolutionary age of the first eukaryotic cells?

<p>1.5 billion years ago (B)</p> Signup and view all the answers

Which organelle is absent in prokaryotic cells?

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

Flashcards

Nucleoid

The region within a prokaryotic cell where genetic material (DNA) is located, but not enclosed by a nuclear membrane.

Prokaryotic Cell

A prokaryotic cell is a simple cell lacking a membrane-bound nucleus and other internal membrane-bound organelles.

Eukaryotic Cell

A eukaryotic cell is a complex cell characterized by the presence of a membrane-bound nucleus and other membrane-bound organelles.

Unicellular Organism

A single-celled organism, lacking a defined nucleus, such as bacteria and archaea.

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Mitochondria

Mitochondria are organelles responsible for cellular respiration and energy production in eukaryotic cells. They are absent in prokaryotic cells.

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