Cell Structure

• Bacteria Types:

  Gram-positive

  • Thick peptidoglycan layer
  • Certain acids appears blue/violet under light microscope (stain)

  Gram-negative

  • Thinner peptidoglycan layer
  • Surrounded by second membrane, with lipoproteins or lipopolysaccharides
  • Don’t take up gram stain, appear red/pink
• Comparison Table

  A) Nucleus

  B) histones

  C) DNA loop

  D) Nucleoid

  E) Plasmids

  F) Binary Fission

  G) Conjunction

  H) Some

  I) None

  J) N/A

  K) N/A

  L) Cellulose

  M) Chitin

  N) Peptidoglycan

  O) Virions

  P) latent infection

  Q) 10-100

  R) 1-10

  S) 15,000

  T) smallest

  U) 4bn

  V) extremophiles