Cell Organelle Information-You will need to know both the structure and function of the organelles in a cell. Make sure you know the difference in organelles found in plant and animal cells. Nucleus Back to the Top Function The nucleus is the control center of a cell as such it is the most important part of the cell.The control arises from the genetic information stored in the nucleus. Genes are made of the nucleic acid DNA.he nucleus is the control center of a cell as such it is the most important part of the cell. The control arises from the genetic information stored in the nucleus.
Definition: A pluton is a deep-seated intrusion of igneous rock, a body that made its way into pre-existing rocks in a melted form (magma) several kilometers underground, in the Earth's crust.
Plutonic and Volcanic Rocks. Among igneous rocks, i.e. those formed from magma or molten rock, the most important difference may be between plutonic and volcanic rocks. Plutonic rocks are formed underground. They involve the intrusion or insertion of magma between other rocks, which then cools below the surface. Volcanic rocks are formed above ground. They involve the extrusion or eruption of magma, which then is called lava..