MDCAT Biology MCQ #1709

A microbiologist discovers a prokaryote living in a hot spring whose cell wall does not contain peptidoglycan. To which group does it belong?

MDCAT Biology MCQ #1709

  1. Question 1

    Q1. A microbiologist discovers a prokaryote living in a hot spring whose cell wall does not contain peptidoglycan. To which group does it belong?

    • A) Gram-positive bacteria
    • B) Cyanobacteria
    • C) Archaebacteria
    • D) Mycoplasma

    Answer: Archaebacteria

    Explanation: Archaebacteria are unique prokaryotes that lack peptidoglycan, having walls made of proteins or other polysaccharides, unlike Eubacteria.