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UPSC CSE Prelims Basic Ecology & Cell Biology Flashcards

Master 7 basic ecology & cell biology concepts for the UPSC CSE Prelims.

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Question

Complete the characteristics distinguishing cellular structures:


cells lack a membrane-bound nucleus, whereas cells possess a true nucleus. Organisms such as bacteria and archaea are classified as .

Question

Consider the following statements regarding Mitochondria:

  1. It is commonly known as the powerhouse of the cell.
  2. It lacks its own DNA and relies entirely on nuclear DNA for replication.
  3. It is the primary site for oxidative phosphorylation.

Which of the statements given above is/are correct?


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