1. Tardigrade
  2. Question
  3. Chemistry
  4. Assertion: DNA molecules and RNA molecules are found in the nucleus of a cell. Reason: On heating, the enzymes do not lose their specific activity.

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Q. Assertion : DNA molecules and RNA molecules are found in the nucleus of a cell.
Reason : On heating, the enzymes do not lose their specific activity.

AIIMSAIIMS 2002Biomolecules

Solution:

In the cell, $DNA$ molecules (i.e. Deoxyribose Nucleic acid) are present predominatly in the nucleus, some $DNA$ is also present in the mitochondria in Eukaryotes.

$RNA$ molecules (i.e. Ribose nucleic acid) are present in cytoplasm of the eukaryotes and in nucleus in some prokaryotes and virus.