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Question

Which kingdom lacks a well-defined nucleus and membrane-bound cell organelles?


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Solution

Kingdom:

  1. The second highest taxonomic rank, after domain, is the kingdom.
  2. Kingdoms are subdivided into species, which are smaller groups.
  3. The kingdom which lacks a well-defined nucleus and membrane-bound cell organelles is Monera.

Monera:

  1. They are single-celled organisms that prefer a moist environment to thrive in.
  2. They live as parasites on other organisms and in thermal springs, snow, and oceans.
  3. Monerans do not have membrane-bound organelles.

Monera's Characteristics:

  1. Entities with the cellular composition of a prokaryote that are unicellular.
  2. In the carbon and nitrogen cycles, metabolically diverse organisms that use a variety of substrates as carbon and energy sources play a role.
  3. Their peptidoglycan-based cell wall is rigid.
  4. They are environmental decomposers and mineralizers with a variety of feeding modes.

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