Bacteria: Differences from Eukaryotes
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Questions and Answers

What is the shape of Spirochetes?

  • Star-shaped
  • Rod-shaped
  • Spiral (correct)
  • Round

Which bacterial species is responsible for causing cholera?

  • Vibrio cholerae (correct)
  • Mycoplasma genitalium
  • Leptospira
  • Treponema pallidum

What bacterial structure contains the nucleoid?

  • Inclusions
  • Bacterial Chromosome (correct)
  • Plasmids
  • Granules

What is the function of bacterial inclusions?

<p>To store nutrients (B)</p> Signup and view all the answers

Which type of bacteria have 2 chromosomes that replicate independently?

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

What type of bacteria is Caulobacter crescentus?

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

What is a key characteristic that differentiates bacteria from eukaryotes?

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

How do most bacteria reproduce?

<p>Asexually by binary fission (D)</p> Signup and view all the answers

What is the size range of bacteria?

<p>0.5 to 5 micrometers (B)</p> Signup and view all the answers

What is the genetic material found in most bacteria?

<p>Single, circular chromosome (C)</p> Signup and view all the answers

Which type of bacteria lack a true nucleus and other cellular organelles?

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

How do cocci bacteria often appear when grouped together?

<p>In pairs or multiples like 2, 4, 8 (D)</p> Signup and view all the answers

Which type of bacteria are gram-negative, rigid, and have external flagella?

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

Which subtype of cocci bacteria includes Streptococcus pyogenes and Streptococcus mutans?

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

Which genus of bacteria is known for forming endospores and can survive extreme heat and temperature?

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

Which type of bacteria can be either gram-positive or gram-negative?

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

Which bacteria subtype includes Chlamydia trachomatis and Haemophilus influenzae?

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

Which bacteria subtype includes Streptobacillus moniliformis and Streptobacillus felis?

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

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