Types and Characteristics of Bacteria

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Questions and Answers

Which type of bacteria is round or oval in shape?

  • Bacilli
  • Vibrio
  • Spirilla
  • Cocci (correct)

Which type of bacteria is non-flexible spiral filaments?

  • Spirochetes
  • Vibrio
  • Mycoplasmas
  • Spirilla (correct)

Which type of bacteria is rod or stick-like in shape?

  • Mycoplasmas
  • Spirilla
  • Cocci
  • Bacilli (correct)

Which type of bacteria is curved or comma-shaped rod filaments?

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

What is the unit of measurement for bacteria?

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

Which type of bacteria is slender spiral filaments and flexible?

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

Which structure is responsible for bacterial motility?

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

What is the function of the cell wall in bacteria?

<p>Regulates the entry and exit of substances (B)</p> Signup and view all the answers

What is the main function of ribosomes in bacteria?

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

Which type of mesosomes provides membrane space in bacteria?

<p>Lateral mesosomes (B)</p> Signup and view all the answers

What is the function of the capsule or slime layer in bacteria?

<p>Protects the bacteria against antibacterial agents (C)</p> Signup and view all the answers

What phase follows when bacteria are seeded in fresh medium and multiplication takes some time?

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

What is the morphology of mycoplasmas?

<p>Round or oval bodies or filaments (C)</p> Signup and view all the answers

Flashcards

What shape are cocci bacteria?

Round or oval-shaped bacteria.

What shape are spirilla bacteria?

Non-flexible, spiral-shaped bacteria.

What shape are bacilli bacteria?

Rod or stick-shaped bacteria.

What shape are vibrio bacteria?

Curved or comma-shaped rod filaments.

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What unit measures bacteria?

Unit to measuring bacteria.

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What shape are spirochetes bacteria?

Slender, flexible, spiral-shaped bacteria.

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What is the function of flagella?

Responsible for bacterial motility and movement.

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What does the bacterial cell wall do?

Regulates the entry and exit of substances in bacteria.

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What is the main job of ribosomes?

Synthesize proteins in bacteria.

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What is the role of lateral mesosomes?

These provide membrane space in bacteria.

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What does the capsule or slime layer do?

Protects bacteria against antibacterial agents.

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What is the lag phase?

Period of adjustment when bacteria prepare for growth.

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What is the morphology of mycoplasmas?

Round, oval, or filamentous.

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