The structure absent from animal cell:
cell wall
The correct option is A
Explanation of the correct option:
Explanation of the incorrect option:
Option B:
The nucleus is present in animal cells and controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes and structures that contain the hereditary information
Option C:
Mitochondria are present in animal cell which is membrane-bound cell organelles that generate most of the chemical energy needed to power the cell's biochemical reactions.
Final answer: The structure absent from animal cells is the cell wall.