The answer is C- Lysosomes are present in both bacterial and animal cells.
Explanation:
Lysosomes contain digestive enzymes inside them, which when released break down damaged cell parts. These enzymes are <em>acidic</em> in nature and are separated from other organelles with the help of a membrane.
Lysosomes help in<em> killing bacteria and virus</em> invading the cell body. Lysosomes also take part in the process of cell death known as '<em>apoptosis</em>'. This happens only when a certain cell is beyond repair.
Lysosomes are present in plant cells, animal cells, bacterial and yeast cells.
Answer: The main structure is called the stamen, which can be divided into two parts: the anther, which produces the pollen grains, and the stalk-like filament.