Prokaryotic Cell Structure

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Questions and Answers

What is the function of pili in prokaryotic cells?

  • Attachment (correct)
  • Food preparation
  • Reproduction
  • Movement

What is the shape of cocci bacteria?

  • Helical
  • Square-shaped
  • Rod-shaped
  • Spherical (correct)

How do some prokaryotic cells move?

  • By pili
  • By flagella (correct)
  • By using their cell wall
  • By secreting a layer of slime

What is the function of the axial filament in helical bacteria?

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

What is the genetic material found in the nucleoid region of prokaryotic cells?

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

What is the composition of the cell wall in prokaryotic cells?

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

What is a beneficial role of bacteria in the biosphere?

<p>Decomposition and recycling (B)</p> Signup and view all the answers

What is the shape of bacteria cells?

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

How do some bacteria reproduce?

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

What type of movement is exhibited by some bacteria?

<p>Flagellar movement (B)</p> Signup and view all the answers

What is characteristic of prokaryotic cells?

<p>Absence of a true nucleus (B)</p> Signup and view all the answers

What is the function of endospores in bacteria?

<p>Survival in harsh conditions (B)</p> Signup and view all the answers

What is the shape of Spirilla bacteria?

<p>Spiral-shaped (A)</p> Signup and view all the answers

What is the process by which bacteria exchange genetic material through direct contact?

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

Which type of bacteria can only survive in the presence of oxygen?

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

What is the purpose of endospore formation in bacteria?

<p>To survive harsh conditions (C)</p> Signup and view all the answers

What is the result of binary fission in bacteria?

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

Which type of bacteria can survive in both the presence and absence of oxygen?

<p>Facultative aerobes and anaerobes (D)</p> Signup and view all the answers

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