Answer:
Nuclear fusion.
Explanation:
In nuclear fusion, two or more small nuclei combine to form a single, larger nucleus.
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Possesses the characteristic of compartmentalization of organelles,wherein the organelles are bound by membranes
Huygens was writing about the theory of light.
Answer:
A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mechanism.
Explanation:
A cell wall is a rigid, semi-permeable protective layer in some cell types. This outer covering is positioned next to the cell membrane (plasma membrane) in most plant cells, fungi, bacteria, algae, and some archaea.