Question

Difficulty: EasyKingdom Monera: Bacteria and Cyanobacteria

Which cellular feature defines all prokaryotic organisms belonging to Kingdom Monera?

  1. Absence of a membrane-bound nucleusAnswer
  2. B
    Cell wall composed predominantly of cellulose
  3. C
    Presence of membrane-bound mitochondria and chloroplasts
  4. D
    Enclosure of genetic material within a nuclear envelope

Answer

Absence of a membrane-bound nucleus
Members of Kingdom Monera (bacteria and cyanobacteria) are prokaryotes, meaning their genetic material is located in a nucleoid region without being enclosed by a nuclear membrane.

Step-by-Step Solution

1
Identify the defining cellular structure of organisms in Kingdom Monera.
Monerans are classified as prokaryotes.
All members of Kingdom Monera, including bacteria and cyanobacteria, lack a true membrane-bound nucleus and membrane-bound organelles.

Key Concept

Prokaryotic cellular organization in Kingdom Monera
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